Home / 3,637.55-5,456.29-1,005.08

Finding the Fourth Proportional to 3,637.55, 5,456.29 and 1,005.08

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Solution

The fourth proportional to 3,637.55, 5,456.29 and 1,005.08 is: 1,507.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.55 : 5,456.29 = 1,005.08 : x
  2. Step 2: Convert to fraction form
    3,637.55/5,456.29 = 1,005.08/x
  3. Step 3: Cross multiply
    3,637.55x = 5,456.29 × 1,005.08
  4. Step 4: Simplify right side
    3,637.55x = 5,484,007.95
  5. Step 5: Solve for x
    x = 5,484,007.95/3,637.55
  6. Step 6: Final answer
    x = 1,507.61

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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.