Home / 2,920.76-4,374.02-1,535.26

Finding the Fourth Proportional to 2,920.76, 4,374.02 and 1,535.26

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Solution

The fourth proportional to 2,920.76, 4,374.02 and 1,535.26 is: 2,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.76 : 4,374.02 = 1,535.26 : x
  2. Step 2: Convert to fraction form
    2,920.76/4,374.02 = 1,535.26/x
  3. Step 3: Cross multiply
    2,920.76x = 4,374.02 × 1,535.26
  4. Step 4: Simplify right side
    2,920.76x = 6,715,257.95
  5. Step 5: Solve for x
    x = 6,715,257.95/2,920.76
  6. Step 6: Final answer
    x = 2,299.15

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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.