Home / 3,589.81-5,384.56-1,124.57

Finding the Fourth Proportional to 3,589.81, 5,384.56 and 1,124.57

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Solution

The fourth proportional to 3,589.81, 5,384.56 and 1,124.57 is: 1,686.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.81 : 5,384.56 = 1,124.57 : x
  2. Step 2: Convert to fraction form
    3,589.81/5,384.56 = 1,124.57/x
  3. Step 3: Cross multiply
    3,589.81x = 5,384.56 × 1,124.57
  4. Step 4: Simplify right side
    3,589.81x = 6,055,309.02
  5. Step 5: Solve for x
    x = 6,055,309.02/3,589.81
  6. Step 6: Final answer
    x = 1,686.81

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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.