Home / 3,599.47-5,399.66-1,407.92

Finding the Fourth Proportional to 3,599.47, 5,399.66 and 1,407.92

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Solution

The fourth proportional to 3,599.47, 5,399.66 and 1,407.92 is: 2,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.47 : 5,399.66 = 1,407.92 : x
  2. Step 2: Convert to fraction form
    3,599.47/5,399.66 = 1,407.92/x
  3. Step 3: Cross multiply
    3,599.47x = 5,399.66 × 1,407.92
  4. Step 4: Simplify right side
    3,599.47x = 7,602,257.91
  5. Step 5: Solve for x
    x = 7,602,257.91/3,599.47
  6. Step 6: Final answer
    x = 2,112.05

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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.