Home / 3,465.61-5,197.18-1,125.05

Finding the Fourth Proportional to 3,465.61, 5,197.18 and 1,125.05

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Solution

The fourth proportional to 3,465.61, 5,197.18 and 1,125.05 is: 1,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.61 : 5,197.18 = 1,125.05 : x
  2. Step 2: Convert to fraction form
    3,465.61/5,197.18 = 1,125.05/x
  3. Step 3: Cross multiply
    3,465.61x = 5,197.18 × 1,125.05
  4. Step 4: Simplify right side
    3,465.61x = 5,847,087.36
  5. Step 5: Solve for x
    x = 5,847,087.36/3,465.61
  6. Step 6: Final answer
    x = 1,687.17

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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.