Home / 3,568.40-4,918.56-2,572.28

Finding the Fourth Proportional to 3,568.40, 4,918.56 and 2,572.28

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Solution

The fourth proportional to 3,568.40, 4,918.56 and 2,572.28 is: 3,545.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.40 : 4,918.56 = 2,572.28 : x
  2. Step 2: Convert to fraction form
    3,568.40/4,918.56 = 2,572.28/x
  3. Step 3: Cross multiply
    3,568.40x = 4,918.56 × 2,572.28
  4. Step 4: Simplify right side
    3,568.40x = 12,651,913.52
  5. Step 5: Solve for x
    x = 12,651,913.52/3,568.40
  6. Step 6: Final answer
    x = 3,545.54

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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.