Home / 2,184.83-3,014.38-1,240.55

Finding the Fourth Proportional to 2,184.83, 3,014.38 and 1,240.55

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Solution

The fourth proportional to 2,184.83, 3,014.38 and 1,240.55 is: 1,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.83 : 3,014.38 = 1,240.55 : x
  2. Step 2: Convert to fraction form
    2,184.83/3,014.38 = 1,240.55/x
  3. Step 3: Cross multiply
    2,184.83x = 3,014.38 × 1,240.55
  4. Step 4: Simplify right side
    2,184.83x = 3,739,489.11
  5. Step 5: Solve for x
    x = 3,739,489.11/2,184.83
  6. Step 6: Final answer
    x = 1,711.57

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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.