Home / 2,489.06-3,730.98-1,026.20

Finding the Fourth Proportional to 2,489.06, 3,730.98 and 1,026.20

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Solution

The fourth proportional to 2,489.06, 3,730.98 and 1,026.20 is: 1,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.06 : 3,730.98 = 1,026.20 : x
  2. Step 2: Convert to fraction form
    2,489.06/3,730.98 = 1,026.20/x
  3. Step 3: Cross multiply
    2,489.06x = 3,730.98 × 1,026.20
  4. Step 4: Simplify right side
    2,489.06x = 3,828,731.68
  5. Step 5: Solve for x
    x = 3,828,731.68/2,489.06
  6. Step 6: Final answer
    x = 1,538.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.