Home / 3,254.16-4,490.79-1,856.91

Finding the Fourth Proportional to 3,254.16, 4,490.79 and 1,856.91

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Solution

The fourth proportional to 3,254.16, 4,490.79 and 1,856.91 is: 2,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.16 : 4,490.79 = 1,856.91 : x
  2. Step 2: Convert to fraction form
    3,254.16/4,490.79 = 1,856.91/x
  3. Step 3: Cross multiply
    3,254.16x = 4,490.79 × 1,856.91
  4. Step 4: Simplify right side
    3,254.16x = 8,338,992.86
  5. Step 5: Solve for x
    x = 8,338,992.86/3,254.16
  6. Step 6: Final answer
    x = 2,562.56

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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.