Home / 1,892.80-2,612.55-1,695.97

Finding the Fourth Proportional to 1,892.80, 2,612.55 and 1,695.97

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Solution

The fourth proportional to 1,892.80, 2,612.55 and 1,695.97 is: 2,340.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.80 : 2,612.55 = 1,695.97 : x
  2. Step 2: Convert to fraction form
    1,892.80/2,612.55 = 1,695.97/x
  3. Step 3: Cross multiply
    1,892.80x = 2,612.55 × 1,695.97
  4. Step 4: Simplify right side
    1,892.80x = 4,430,806.42
  5. Step 5: Solve for x
    x = 4,430,806.42/1,892.80
  6. Step 6: Final answer
    x = 2,340.87

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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.