Home / 2,389.11-3,292.11-1,829.58

Finding the Fourth Proportional to 2,389.11, 3,292.11 and 1,829.58

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Solution

The fourth proportional to 2,389.11, 3,292.11 and 1,829.58 is: 2,521.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.11 : 3,292.11 = 1,829.58 : x
  2. Step 2: Convert to fraction form
    2,389.11/3,292.11 = 1,829.58/x
  3. Step 3: Cross multiply
    2,389.11x = 3,292.11 × 1,829.58
  4. Step 4: Simplify right side
    2,389.11x = 6,023,178.61
  5. Step 5: Solve for x
    x = 6,023,178.61/2,389.11
  6. Step 6: Final answer
    x = 2,521.10

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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.