Home / 4,288.59-5,918.40-2,520.17

Finding the Fourth Proportional to 4,288.59, 5,918.40 and 2,520.17

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Solution

The fourth proportional to 4,288.59, 5,918.40 and 2,520.17 is: 3,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.59 : 5,918.40 = 2,520.17 : x
  2. Step 2: Convert to fraction form
    4,288.59/5,918.40 = 2,520.17/x
  3. Step 3: Cross multiply
    4,288.59x = 5,918.40 × 2,520.17
  4. Step 4: Simplify right side
    4,288.59x = 14,915,344.54
  5. Step 5: Solve for x
    x = 14,915,344.54/4,288.59
  6. Step 6: Final answer
    x = 3,477.91

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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.