Home / 2,184.40-3,012-1,974.52

Finding the Fourth Proportional to 2,184.40, 3,012 and 1,974.52

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Solution

The fourth proportional to 2,184.40, 3,012 and 1,974.52 is: 2,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.40 : 3,012 = 1,974.52 : x
  2. Step 2: Convert to fraction form
    2,184.40/3,012 = 1,974.52/x
  3. Step 3: Cross multiply
    2,184.40x = 3,012 × 1,974.52
  4. Step 4: Simplify right side
    2,184.40x = 5,947,254.24
  5. Step 5: Solve for x
    x = 5,947,254.24/2,184.40
  6. Step 6: Final answer
    x = 2,722.60

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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.