Home / 3,853.28-5,775.20-1,657.36

Finding the Fourth Proportional to 3,853.28, 5,775.20 and 1,657.36

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Solution

The fourth proportional to 3,853.28, 5,775.20 and 1,657.36 is: 2,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.28 : 5,775.20 = 1,657.36 : x
  2. Step 2: Convert to fraction form
    3,853.28/5,775.20 = 1,657.36/x
  3. Step 3: Cross multiply
    3,853.28x = 5,775.20 × 1,657.36
  4. Step 4: Simplify right side
    3,853.28x = 9,571,585.47
  5. Step 5: Solve for x
    x = 9,571,585.47/3,853.28
  6. Step 6: Final answer
    x = 2,484.01

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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.