Home / 1,116.76-1,541.13-674.66

Finding the Fourth Proportional to 1,116.76, 1,541.13 and 674.66

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Solution

The fourth proportional to 1,116.76, 1,541.13 and 674.66 is: 931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.76 : 1,541.13 = 674.66 : x
  2. Step 2: Convert to fraction form
    1,116.76/1,541.13 = 674.66/x
  3. Step 3: Cross multiply
    1,116.76x = 1,541.13 × 674.66
  4. Step 4: Simplify right side
    1,116.76x = 1,039,740.09
  5. Step 5: Solve for x
    x = 1,039,740.09/1,116.76
  6. Step 6: Final answer
    x = 931.03

Related Problems

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Half scale
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Double scale
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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.