Home / 2,929.07-4,042.19-1,602.88

Finding the Fourth Proportional to 2,929.07, 4,042.19 and 1,602.88

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Solution

The fourth proportional to 2,929.07, 4,042.19 and 1,602.88 is: 2,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.07 : 4,042.19 = 1,602.88 : x
  2. Step 2: Convert to fraction form
    2,929.07/4,042.19 = 1,602.88/x
  3. Step 3: Cross multiply
    2,929.07x = 4,042.19 × 1,602.88
  4. Step 4: Simplify right side
    2,929.07x = 6,479,117.28
  5. Step 5: Solve for x
    x = 6,479,117.28/2,929.07
  6. Step 6: Final answer
    x = 2,212.00

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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.