Home / 3,637.54-5,456.30-1,172.72

Finding the Fourth Proportional to 3,637.54, 5,456.30 and 1,172.72

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Solution

The fourth proportional to 3,637.54, 5,456.30 and 1,172.72 is: 1,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.54 : 5,456.30 = 1,172.72 : x
  2. Step 2: Convert to fraction form
    3,637.54/5,456.30 = 1,172.72/x
  3. Step 3: Cross multiply
    3,637.54x = 5,456.30 × 1,172.72
  4. Step 4: Simplify right side
    3,637.54x = 6,398,728.71
  5. Step 5: Solve for x
    x = 6,398,728.71/3,637.54
  6. Step 6: Final answer
    x = 1,759.08

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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.