Home / 2,064.32-2,849.28-1,277.92

Finding the Fourth Proportional to 2,064.32, 2,849.28 and 1,277.92

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Solution

The fourth proportional to 2,064.32, 2,849.28 and 1,277.92 is: 1,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.32 : 2,849.28 = 1,277.92 : x
  2. Step 2: Convert to fraction form
    2,064.32/2,849.28 = 1,277.92/x
  3. Step 3: Cross multiply
    2,064.32x = 2,849.28 × 1,277.92
  4. Step 4: Simplify right side
    2,064.32x = 3,641,151.90
  5. Step 5: Solve for x
    x = 3,641,151.90/2,064.32
  6. Step 6: Final answer
    x = 1,763.85

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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.