Home / 3,045.17-4,567.19-853.35

Finding the Fourth Proportional to 3,045.17, 4,567.19 and 853.35

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Solution

The fourth proportional to 3,045.17, 4,567.19 and 853.35 is: 1,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.17 : 4,567.19 = 853.35 : x
  2. Step 2: Convert to fraction form
    3,045.17/4,567.19 = 853.35/x
  3. Step 3: Cross multiply
    3,045.17x = 4,567.19 × 853.35
  4. Step 4: Simplify right side
    3,045.17x = 3,897,411.59
  5. Step 5: Solve for x
    x = 3,897,411.59/3,045.17
  6. Step 6: Final answer
    x = 1,279.87

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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.