Home / 3,643.20-5,465.70-1,046.13

Finding the Fourth Proportional to 3,643.20, 5,465.70 and 1,046.13

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Solution

The fourth proportional to 3,643.20, 5,465.70 and 1,046.13 is: 1,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.20 : 5,465.70 = 1,046.13 : x
  2. Step 2: Convert to fraction form
    3,643.20/5,465.70 = 1,046.13/x
  3. Step 3: Cross multiply
    3,643.20x = 5,465.70 × 1,046.13
  4. Step 4: Simplify right side
    3,643.20x = 5,717,832.74
  5. Step 5: Solve for x
    x = 5,717,832.74/3,643.20
  6. Step 6: Final answer
    x = 1,569.45

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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.