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Finding the Fourth Proportional to 2,459.52, 3,393.95 and 1,340.39

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Solution

The fourth proportional to 2,459.52, 3,393.95 and 1,340.39 is: 1,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.52 : 3,393.95 = 1,340.39 : x
  2. Step 2: Convert to fraction form
    2,459.52/3,393.95 = 1,340.39/x
  3. Step 3: Cross multiply
    2,459.52x = 3,393.95 × 1,340.39
  4. Step 4: Simplify right side
    2,459.52x = 4,549,223.58
  5. Step 5: Solve for x
    x = 4,549,223.58/2,459.52
  6. Step 6: Final answer
    x = 1,849.64

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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.