Home / 2,560.50-3,532.68-1,565.28

Finding the Fourth Proportional to 2,560.50, 3,532.68 and 1,565.28

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Solution

The fourth proportional to 2,560.50, 3,532.68 and 1,565.28 is: 2,159.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.50 : 3,532.68 = 1,565.28 : x
  2. Step 2: Convert to fraction form
    2,560.50/3,532.68 = 1,565.28/x
  3. Step 3: Cross multiply
    2,560.50x = 3,532.68 × 1,565.28
  4. Step 4: Simplify right side
    2,560.50x = 5,529,633.35
  5. Step 5: Solve for x
    x = 5,529,633.35/2,560.50
  6. Step 6: Final answer
    x = 2,159.59

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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.