Home / 1,545.58-2,318.75-449.95

Finding the Fourth Proportional to 1,545.58, 2,318.75 and 449.95

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Solution

The fourth proportional to 1,545.58, 2,318.75 and 449.95 is: 675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.58 : 2,318.75 = 449.95 : x
  2. Step 2: Convert to fraction form
    1,545.58/2,318.75 = 449.95/x
  3. Step 3: Cross multiply
    1,545.58x = 2,318.75 × 449.95
  4. Step 4: Simplify right side
    1,545.58x = 1,043,325.11
  5. Step 5: Solve for x
    x = 1,043,325.11/1,545.58
  6. Step 6: Final answer
    x = 675.04

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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.