Home / 2,487.75-3,736.40-1,565.16

Finding the Fourth Proportional to 2,487.75, 3,736.40 and 1,565.16

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Solution

The fourth proportional to 2,487.75, 3,736.40 and 1,565.16 is: 2,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.75 : 3,736.40 = 1,565.16 : x
  2. Step 2: Convert to fraction form
    2,487.75/3,736.40 = 1,565.16/x
  3. Step 3: Cross multiply
    2,487.75x = 3,736.40 × 1,565.16
  4. Step 4: Simplify right side
    2,487.75x = 5,848,041.99
  5. Step 5: Solve for x
    x = 5,848,041.99/2,487.75
  6. Step 6: Final answer
    x = 2,350.74

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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.