Home / 2,929.08-4,042.20-1,602.92

Finding the Fourth Proportional to 2,929.08, 4,042.20 and 1,602.92

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Solution

The fourth proportional to 2,929.08, 4,042.20 and 1,602.92 is: 2,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.08 : 4,042.20 = 1,602.92 : x
  2. Step 2: Convert to fraction form
    2,929.08/4,042.20 = 1,602.92/x
  3. Step 3: Cross multiply
    2,929.08x = 4,042.20 × 1,602.92
  4. Step 4: Simplify right side
    2,929.08x = 6,479,303.01
  5. Step 5: Solve for x
    x = 6,479,303.01/2,929.08
  6. Step 6: Final answer
    x = 2,212.06

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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.