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Finding the Fourth Proportional to 2,339.84, 3,509.97 and 1,023.20

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Solution

The fourth proportional to 2,339.84, 3,509.97 and 1,023.20 is: 1,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.84 : 3,509.97 = 1,023.20 : x
  2. Step 2: Convert to fraction form
    2,339.84/3,509.97 = 1,023.20/x
  3. Step 3: Cross multiply
    2,339.84x = 3,509.97 × 1,023.20
  4. Step 4: Simplify right side
    2,339.84x = 3,591,393.08
  5. Step 5: Solve for x
    x = 3,591,393.08/2,339.84
  6. Step 6: Final answer
    x = 1,534.89

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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.