Home / 2,635.80-3,637.38-1,456.90

Finding the Fourth Proportional to 2,635.80, 3,637.38 and 1,456.90

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Solution

The fourth proportional to 2,635.80, 3,637.38 and 1,456.90 is: 2,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.80 : 3,637.38 = 1,456.90 : x
  2. Step 2: Convert to fraction form
    2,635.80/3,637.38 = 1,456.90/x
  3. Step 3: Cross multiply
    2,635.80x = 3,637.38 × 1,456.90
  4. Step 4: Simplify right side
    2,635.80x = 5,299,298.92
  5. Step 5: Solve for x
    x = 5,299,298.92/2,635.80
  6. Step 6: Final answer
    x = 2,010.51

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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.