Home / 2,917.90-4,377.50-1,068.98

Finding the Fourth Proportional to 2,917.90, 4,377.50 and 1,068.98

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Solution

The fourth proportional to 2,917.90, 4,377.50 and 1,068.98 is: 1,603.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.90 : 4,377.50 = 1,068.98 : x
  2. Step 2: Convert to fraction form
    2,917.90/4,377.50 = 1,068.98/x
  3. Step 3: Cross multiply
    2,917.90x = 4,377.50 × 1,068.98
  4. Step 4: Simplify right side
    2,917.90x = 4,679,459.95
  5. Step 5: Solve for x
    x = 4,679,459.95/2,917.90
  6. Step 6: Final answer
    x = 1,603.71

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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.