Home / 1,557.04-2,334.10-1,037.20

Finding the Fourth Proportional to 1,557.04, 2,334.10 and 1,037.20

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Solution

The fourth proportional to 1,557.04, 2,334.10 and 1,037.20 is: 1,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.04 : 2,334.10 = 1,037.20 : x
  2. Step 2: Convert to fraction form
    1,557.04/2,334.10 = 1,037.20/x
  3. Step 3: Cross multiply
    1,557.04x = 2,334.10 × 1,037.20
  4. Step 4: Simplify right side
    1,557.04x = 2,420,928.52
  5. Step 5: Solve for x
    x = 2,420,928.52/1,557.04
  6. Step 6: Final answer
    x = 1,554.83

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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.