Home / 2,750.40-4,126.80-1,516.32

Finding the Fourth Proportional to 2,750.40, 4,126.80 and 1,516.32

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Solution

The fourth proportional to 2,750.40, 4,126.80 and 1,516.32 is: 2,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.40 : 4,126.80 = 1,516.32 : x
  2. Step 2: Convert to fraction form
    2,750.40/4,126.80 = 1,516.32/x
  3. Step 3: Cross multiply
    2,750.40x = 4,126.80 × 1,516.32
  4. Step 4: Simplify right side
    2,750.40x = 6,257,549.38
  5. Step 5: Solve for x
    x = 6,257,549.38/2,750.40
  6. Step 6: Final answer
    x = 2,275.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.