Home / 3,118.48-4,304.39-1,859.13

Finding the Fourth Proportional to 3,118.48, 4,304.39 and 1,859.13

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Solution

The fourth proportional to 3,118.48, 4,304.39 and 1,859.13 is: 2,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.48 : 4,304.39 = 1,859.13 : x
  2. Step 2: Convert to fraction form
    3,118.48/4,304.39 = 1,859.13/x
  3. Step 3: Cross multiply
    3,118.48x = 4,304.39 × 1,859.13
  4. Step 4: Simplify right side
    3,118.48x = 8,002,411.29
  5. Step 5: Solve for x
    x = 8,002,411.29/3,118.48
  6. Step 6: Final answer
    x = 2,566.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.