Home / 1,557.77-2,337.10-1,282.57

Finding the Fourth Proportional to 1,557.77, 2,337.10 and 1,282.57

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Solution

The fourth proportional to 1,557.77, 2,337.10 and 1,282.57 is: 1,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.77 : 2,337.10 = 1,282.57 : x
  2. Step 2: Convert to fraction form
    1,557.77/2,337.10 = 1,282.57/x
  3. Step 3: Cross multiply
    1,557.77x = 2,337.10 × 1,282.57
  4. Step 4: Simplify right side
    1,557.77x = 2,997,485.30
  5. Step 5: Solve for x
    x = 2,997,485.30/1,557.77
  6. Step 6: Final answer
    x = 1,924.22

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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.