Home / 1,314.55-1,814.25-1,271.29

Finding the Fourth Proportional to 1,314.55, 1,814.25 and 1,271.29

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Solution

The fourth proportional to 1,314.55, 1,814.25 and 1,271.29 is: 1,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314.55 : 1,814.25 = 1,271.29 : x
  2. Step 2: Convert to fraction form
    1,314.55/1,814.25 = 1,271.29/x
  3. Step 3: Cross multiply
    1,314.55x = 1,814.25 × 1,271.29
  4. Step 4: Simplify right side
    1,314.55x = 2,306,437.88
  5. Step 5: Solve for x
    x = 2,306,437.88/1,314.55
  6. Step 6: Final answer
    x = 1,754.55

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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.