Home / 2,853.12-3,937.08-1,657.92

Finding the Fourth Proportional to 2,853.12, 3,937.08 and 1,657.92

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Solution

The fourth proportional to 2,853.12, 3,937.08 and 1,657.92 is: 2,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.12 : 3,937.08 = 1,657.92 : x
  2. Step 2: Convert to fraction form
    2,853.12/3,937.08 = 1,657.92/x
  3. Step 3: Cross multiply
    2,853.12x = 3,937.08 × 1,657.92
  4. Step 4: Simplify right side
    2,853.12x = 6,527,363.67
  5. Step 5: Solve for x
    x = 6,527,363.67/2,853.12
  6. Step 6: Final answer
    x = 2,287.80

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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.