Home / 1,342.68-2,000.82-1,298.64

Finding the Fourth Proportional to 1,342.68, 2,000.82 and 1,298.64

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Solution

The fourth proportional to 1,342.68, 2,000.82 and 1,298.64 is: 1,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.68 : 2,000.82 = 1,298.64 : x
  2. Step 2: Convert to fraction form
    1,342.68/2,000.82 = 1,298.64/x
  3. Step 3: Cross multiply
    1,342.68x = 2,000.82 × 1,298.64
  4. Step 4: Simplify right side
    1,342.68x = 2,598,344.88
  5. Step 5: Solve for x
    x = 2,598,344.88/1,342.68
  6. Step 6: Final answer
    x = 1,935.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.