Home / 1,348.16-2,020.50-1,313.55

Finding the Fourth Proportional to 1,348.16, 2,020.50 and 1,313.55

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Solution

The fourth proportional to 1,348.16, 2,020.50 and 1,313.55 is: 1,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.16 : 2,020.50 = 1,313.55 : x
  2. Step 2: Convert to fraction form
    1,348.16/2,020.50 = 1,313.55/x
  3. Step 3: Cross multiply
    1,348.16x = 2,020.50 × 1,313.55
  4. Step 4: Simplify right side
    1,348.16x = 2,654,027.78
  5. Step 5: Solve for x
    x = 2,654,027.78/1,348.16
  6. Step 6: Final answer
    x = 1,968.64

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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.