Home / 3,152.79-4,730.76-1,398.17

Finding the Fourth Proportional to 3,152.79, 4,730.76 and 1,398.17

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Solution

The fourth proportional to 3,152.79, 4,730.76 and 1,398.17 is: 2,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.79 : 4,730.76 = 1,398.17 : x
  2. Step 2: Convert to fraction form
    3,152.79/4,730.76 = 1,398.17/x
  3. Step 3: Cross multiply
    3,152.79x = 4,730.76 × 1,398.17
  4. Step 4: Simplify right side
    3,152.79x = 6,614,383.06
  5. Step 5: Solve for x
    x = 6,614,383.06/3,152.79
  6. Step 6: Final answer
    x = 2,097.95

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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.