Home / 3,172.79-4,753.71-2,470.25

Finding the Fourth Proportional to 3,172.79, 4,753.71 and 2,470.25

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Solution

The fourth proportional to 3,172.79, 4,753.71 and 2,470.25 is: 3,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.79 : 4,753.71 = 2,470.25 : x
  2. Step 2: Convert to fraction form
    3,172.79/4,753.71 = 2,470.25/x
  3. Step 3: Cross multiply
    3,172.79x = 4,753.71 × 2,470.25
  4. Step 4: Simplify right side
    3,172.79x = 11,742,828.36
  5. Step 5: Solve for x
    x = 11,742,828.36/3,172.79
  6. Step 6: Final answer
    x = 3,701.11

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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.