Home / 1,545.98-2,319.50-450.41

Finding the Fourth Proportional to 1,545.98, 2,319.50 and 450.41

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Solution

The fourth proportional to 1,545.98, 2,319.50 and 450.41 is: 675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.98 : 2,319.50 = 450.41 : x
  2. Step 2: Convert to fraction form
    1,545.98/2,319.50 = 450.41/x
  3. Step 3: Cross multiply
    1,545.98x = 2,319.50 × 450.41
  4. Step 4: Simplify right side
    1,545.98x = 1,044,715.52
  5. Step 5: Solve for x
    x = 1,044,715.52/1,545.98
  6. Step 6: Final answer
    x = 675.76

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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.