Home / 3,089.13-4,634.28-1,240.39

Finding the Fourth Proportional to 3,089.13, 4,634.28 and 1,240.39

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Solution

The fourth proportional to 3,089.13, 4,634.28 and 1,240.39 is: 1,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.13 : 4,634.28 = 1,240.39 : x
  2. Step 2: Convert to fraction form
    3,089.13/4,634.28 = 1,240.39/x
  3. Step 3: Cross multiply
    3,089.13x = 4,634.28 × 1,240.39
  4. Step 4: Simplify right side
    3,089.13x = 5,748,314.57
  5. Step 5: Solve for x
    x = 5,748,314.57/3,089.13
  6. Step 6: Final answer
    x = 1,860.82

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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.