Home / 2,077.48-3,115.80-616.50

Finding the Fourth Proportional to 2,077.48, 3,115.80 and 616.50

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Solution

The fourth proportional to 2,077.48, 3,115.80 and 616.50 is: 924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.48 : 3,115.80 = 616.50 : x
  2. Step 2: Convert to fraction form
    2,077.48/3,115.80 = 616.50/x
  3. Step 3: Cross multiply
    2,077.48x = 3,115.80 × 616.50
  4. Step 4: Simplify right side
    2,077.48x = 1,920,890.70
  5. Step 5: Solve for x
    x = 1,920,890.70/2,077.48
  6. Step 6: Final answer
    x = 924.63

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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.