Home / 2,146.88-3,220.32-1,498.88

Finding the Fourth Proportional to 2,146.88, 3,220.32 and 1,498.88

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Solution

The fourth proportional to 2,146.88, 3,220.32 and 1,498.88 is: 2,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.88 : 3,220.32 = 1,498.88 : x
  2. Step 2: Convert to fraction form
    2,146.88/3,220.32 = 1,498.88/x
  3. Step 3: Cross multiply
    2,146.88x = 3,220.32 × 1,498.88
  4. Step 4: Simplify right side
    2,146.88x = 4,826,873.24
  5. Step 5: Solve for x
    x = 4,826,873.24/2,146.88
  6. Step 6: Final answer
    x = 2,248.32

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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.