Home / 4,088.10-5,639.28-2,515.88

Finding the Fourth Proportional to 4,088.10, 5,639.28 and 2,515.88

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Solution

The fourth proportional to 4,088.10, 5,639.28 and 2,515.88 is: 3,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.10 : 5,639.28 = 2,515.88 : x
  2. Step 2: Convert to fraction form
    4,088.10/5,639.28 = 2,515.88/x
  3. Step 3: Cross multiply
    4,088.10x = 5,639.28 × 2,515.88
  4. Step 4: Simplify right side
    4,088.10x = 14,187,751.77
  5. Step 5: Solve for x
    x = 14,187,751.77/4,088.10
  6. Step 6: Final answer
    x = 3,470.50

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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.