Home / 1,448.76-2,000.20-1,116.56

Finding the Fourth Proportional to 1,448.76, 2,000.20 and 1,116.56

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Solution

The fourth proportional to 1,448.76, 2,000.20 and 1,116.56 is: 1,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.76 : 2,000.20 = 1,116.56 : x
  2. Step 2: Convert to fraction form
    1,448.76/2,000.20 = 1,116.56/x
  3. Step 3: Cross multiply
    1,448.76x = 2,000.20 × 1,116.56
  4. Step 4: Simplify right side
    1,448.76x = 2,233,343.31
  5. Step 5: Solve for x
    x = 2,233,343.31/1,448.76
  6. Step 6: Final answer
    x = 1,541.56

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,449.76, 2,001.58 and 1,117.56
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.