Home / 1,439.32-2,159.82-1,348.20

Finding the Fourth Proportional to 1,439.32, 2,159.82 and 1,348.20

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Solution

The fourth proportional to 1,439.32, 2,159.82 and 1,348.20 is: 2,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439.32 : 2,159.82 = 1,348.20 : x
  2. Step 2: Convert to fraction form
    1,439.32/2,159.82 = 1,348.20/x
  3. Step 3: Cross multiply
    1,439.32x = 2,159.82 × 1,348.20
  4. Step 4: Simplify right side
    1,439.32x = 2,911,869.32
  5. Step 5: Solve for x
    x = 2,911,869.32/1,439.32
  6. Step 6: Final answer
    x = 2,023.09

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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.