Home / 3,188.02-4,400.05-2,488.18

Finding the Fourth Proportional to 3,188.02, 4,400.05 and 2,488.18

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Solution

The fourth proportional to 3,188.02, 4,400.05 and 2,488.18 is: 3,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.02 : 4,400.05 = 2,488.18 : x
  2. Step 2: Convert to fraction form
    3,188.02/4,400.05 = 2,488.18/x
  3. Step 3: Cross multiply
    3,188.02x = 4,400.05 × 2,488.18
  4. Step 4: Simplify right side
    3,188.02x = 10,948,116.41
  5. Step 5: Solve for x
    x = 10,948,116.41/3,188.02
  6. Step 6: Final answer
    x = 3,434.14

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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.