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Finding the Fourth Proportional to 3,132.00, 4,698.79 and 940.74

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Solution

The fourth proportional to 3,132.00, 4,698.79 and 940.74 is: 1,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.00 : 4,698.79 = 940.74 : x
  2. Step 2: Convert to fraction form
    3,132.00/4,698.79 = 940.74/x
  3. Step 3: Cross multiply
    3,132.00x = 4,698.79 × 940.74
  4. Step 4: Simplify right side
    3,132.00x = 4,420,335.00
  5. Step 5: Solve for x
    x = 4,420,335.00/3,132.00
  6. Step 6: Final answer
    x = 1,411.35

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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.