Home / 2,151.12-3,226.17-1,572.93

Finding the Fourth Proportional to 2,151.12, 3,226.17 and 1,572.93

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Solution

The fourth proportional to 2,151.12, 3,226.17 and 1,572.93 is: 2,359.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.12 : 3,226.17 = 1,572.93 : x
  2. Step 2: Convert to fraction form
    2,151.12/3,226.17 = 1,572.93/x
  3. Step 3: Cross multiply
    2,151.12x = 3,226.17 × 1,572.93
  4. Step 4: Simplify right side
    2,151.12x = 5,074,539.58
  5. Step 5: Solve for x
    x = 5,074,539.58/2,151.12
  6. Step 6: Final answer
    x = 2,359.02

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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.