Home / 3,437.02-5,154.99-1,128.52

Finding the Fourth Proportional to 3,437.02, 5,154.99 and 1,128.52

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Solution

The fourth proportional to 3,437.02, 5,154.99 and 1,128.52 is: 1,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.02 : 5,154.99 = 1,128.52 : x
  2. Step 2: Convert to fraction form
    3,437.02/5,154.99 = 1,128.52/x
  3. Step 3: Cross multiply
    3,437.02x = 5,154.99 × 1,128.52
  4. Step 4: Simplify right side
    3,437.02x = 5,817,509.31
  5. Step 5: Solve for x
    x = 5,817,509.31/3,437.02
  6. Step 6: Final answer
    x = 1,692.60

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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.