Home / 1,760.45-2,426.51-1,262.30

Finding the Fourth Proportional to 1,760.45, 2,426.51 and 1,262.30

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Solution

The fourth proportional to 1,760.45, 2,426.51 and 1,262.30 is: 1,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.45 : 2,426.51 = 1,262.30 : x
  2. Step 2: Convert to fraction form
    1,760.45/2,426.51 = 1,262.30/x
  3. Step 3: Cross multiply
    1,760.45x = 2,426.51 × 1,262.30
  4. Step 4: Simplify right side
    1,760.45x = 3,062,977.26
  5. Step 5: Solve for x
    x = 3,062,977.26/1,760.45
  6. Step 6: Final answer
    x = 1,739.88

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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.