Home / 2,155.08-3,232.95-1,059.53

Finding the Fourth Proportional to 2,155.08, 3,232.95 and 1,059.53

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Solution

The fourth proportional to 2,155.08, 3,232.95 and 1,059.53 is: 1,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.08 : 3,232.95 = 1,059.53 : x
  2. Step 2: Convert to fraction form
    2,155.08/3,232.95 = 1,059.53/x
  3. Step 3: Cross multiply
    2,155.08x = 3,232.95 × 1,059.53
  4. Step 4: Simplify right side
    2,155.08x = 3,425,387.38
  5. Step 5: Solve for x
    x = 3,425,387.38/2,155.08
  6. Step 6: Final answer
    x = 1,589.45

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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.