Home / 2,248.45-3,102.31-1,690.26

Finding the Fourth Proportional to 2,248.45, 3,102.31 and 1,690.26

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Solution

The fourth proportional to 2,248.45, 3,102.31 and 1,690.26 is: 2,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.45 : 3,102.31 = 1,690.26 : x
  2. Step 2: Convert to fraction form
    2,248.45/3,102.31 = 1,690.26/x
  3. Step 3: Cross multiply
    2,248.45x = 3,102.31 × 1,690.26
  4. Step 4: Simplify right side
    2,248.45x = 5,243,691.47
  5. Step 5: Solve for x
    x = 5,243,691.47/2,248.45
  6. Step 6: Final answer
    x = 2,332.14

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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.