Home / 2,184.15-3,014.19-1,239.91

Finding the Fourth Proportional to 2,184.15, 3,014.19 and 1,239.91

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Solution

The fourth proportional to 2,184.15, 3,014.19 and 1,239.91 is: 1,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.15 : 3,014.19 = 1,239.91 : x
  2. Step 2: Convert to fraction form
    2,184.15/3,014.19 = 1,239.91/x
  3. Step 3: Cross multiply
    2,184.15x = 3,014.19 × 1,239.91
  4. Step 4: Simplify right side
    2,184.15x = 3,737,313.30
  5. Step 5: Solve for x
    x = 3,737,313.30/2,184.15
  6. Step 6: Final answer
    x = 1,711.10

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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.