Home / 3,555.28-5,335.30-1,246.78

Finding the Fourth Proportional to 3,555.28, 5,335.30 and 1,246.78

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Solution

The fourth proportional to 3,555.28, 5,335.30 and 1,246.78 is: 1,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.28 : 5,335.30 = 1,246.78 : x
  2. Step 2: Convert to fraction form
    3,555.28/5,335.30 = 1,246.78/x
  3. Step 3: Cross multiply
    3,555.28x = 5,335.30 × 1,246.78
  4. Step 4: Simplify right side
    3,555.28x = 6,651,945.33
  5. Step 5: Solve for x
    x = 6,651,945.33/3,555.28
  6. Step 6: Final answer
    x = 1,871.00

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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.