Home / 2,752.04-4,129.20-1,191.76

Finding the Fourth Proportional to 2,752.04, 4,129.20 and 1,191.76

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Solution

The fourth proportional to 2,752.04, 4,129.20 and 1,191.76 is: 1,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.04 : 4,129.20 = 1,191.76 : x
  2. Step 2: Convert to fraction form
    2,752.04/4,129.20 = 1,191.76/x
  3. Step 3: Cross multiply
    2,752.04x = 4,129.20 × 1,191.76
  4. Step 4: Simplify right side
    2,752.04x = 4,921,005.07
  5. Step 5: Solve for x
    x = 4,921,005.07/2,752.04
  6. Step 6: Final answer
    x = 1,788.13

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1.5x scale

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.