Home / 1,460.40-2,019.24-1,275.96

Finding the Fourth Proportional to 1,460.40, 2,019.24 and 1,275.96

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Solution

The fourth proportional to 1,460.40, 2,019.24 and 1,275.96 is: 1,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.40 : 2,019.24 = 1,275.96 : x
  2. Step 2: Convert to fraction form
    1,460.40/2,019.24 = 1,275.96/x
  3. Step 3: Cross multiply
    1,460.40x = 2,019.24 × 1,275.96
  4. Step 4: Simplify right side
    1,460.40x = 2,576,469.47
  5. Step 5: Solve for x
    x = 2,576,469.47/1,460.40
  6. Step 6: Final answer
    x = 1,764.22

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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.