Home / 2,026.66-2,799.21-1,439.74

Finding the Fourth Proportional to 2,026.66, 2,799.21 and 1,439.74

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Solution

The fourth proportional to 2,026.66, 2,799.21 and 1,439.74 is: 1,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.66 : 2,799.21 = 1,439.74 : x
  2. Step 2: Convert to fraction form
    2,026.66/2,799.21 = 1,439.74/x
  3. Step 3: Cross multiply
    2,026.66x = 2,799.21 × 1,439.74
  4. Step 4: Simplify right side
    2,026.66x = 4,030,134.61
  5. Step 5: Solve for x
    x = 4,030,134.61/2,026.66
  6. Step 6: Final answer
    x = 1,988.56

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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.