Home / 1,630.13-2,248.97-1,040.45

Finding the Fourth Proportional to 1,630.13, 2,248.97 and 1,040.45

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Solution

The fourth proportional to 1,630.13, 2,248.97 and 1,040.45 is: 1,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.13 : 2,248.97 = 1,040.45 : x
  2. Step 2: Convert to fraction form
    1,630.13/2,248.97 = 1,040.45/x
  3. Step 3: Cross multiply
    1,630.13x = 2,248.97 × 1,040.45
  4. Step 4: Simplify right side
    1,630.13x = 2,339,924.39
  5. Step 5: Solve for x
    x = 2,339,924.39/1,630.13
  6. Step 6: Final answer
    x = 1,435.43

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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.