Home / 2,318.76-3,478.44-1,020.06

Finding the Fourth Proportional to 2,318.76, 3,478.44 and 1,020.06

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Solution

The fourth proportional to 2,318.76, 3,478.44 and 1,020.06 is: 1,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.76 : 3,478.44 = 1,020.06 : x
  2. Step 2: Convert to fraction form
    2,318.76/3,478.44 = 1,020.06/x
  3. Step 3: Cross multiply
    2,318.76x = 3,478.44 × 1,020.06
  4. Step 4: Simplify right side
    2,318.76x = 3,548,217.51
  5. Step 5: Solve for x
    x = 3,548,217.51/2,318.76
  6. Step 6: Final answer
    x = 1,530.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.