Home / 3,434.16-5,148.18-1,242.40

Finding the Fourth Proportional to 3,434.16, 5,148.18 and 1,242.40

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Solution

The fourth proportional to 3,434.16, 5,148.18 and 1,242.40 is: 1,862.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.16 : 5,148.18 = 1,242.40 : x
  2. Step 2: Convert to fraction form
    3,434.16/5,148.18 = 1,242.40/x
  3. Step 3: Cross multiply
    3,434.16x = 5,148.18 × 1,242.40
  4. Step 4: Simplify right side
    3,434.16x = 6,396,085.96
  5. Step 5: Solve for x
    x = 6,396,085.96/3,434.16
  6. Step 6: Final answer
    x = 1,862.49

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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.