Home / 2,929.18-4,042.28-1,602.89

Finding the Fourth Proportional to 2,929.18, 4,042.28 and 1,602.89

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Solution

The fourth proportional to 2,929.18, 4,042.28 and 1,602.89 is: 2,211.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.18 : 4,042.28 = 1,602.89 : x
  2. Step 2: Convert to fraction form
    2,929.18/4,042.28 = 1,602.89/x
  3. Step 3: Cross multiply
    2,929.18x = 4,042.28 × 1,602.89
  4. Step 4: Simplify right side
    2,929.18x = 6,479,319.56
  5. Step 5: Solve for x
    x = 6,479,319.56/2,929.18
  6. Step 6: Final answer
    x = 2,211.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.