Home / 1,513.97-2,084.67-1,343.46

Finding the Fourth Proportional to 1,513.97, 2,084.67 and 1,343.46

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Solution

The fourth proportional to 1,513.97, 2,084.67 and 1,343.46 is: 1,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.97 : 2,084.67 = 1,343.46 : x
  2. Step 2: Convert to fraction form
    1,513.97/2,084.67 = 1,343.46/x
  3. Step 3: Cross multiply
    1,513.97x = 2,084.67 × 1,343.46
  4. Step 4: Simplify right side
    1,513.97x = 2,800,670.76
  5. Step 5: Solve for x
    x = 2,800,670.76/1,513.97
  6. Step 6: Final answer
    x = 1,849.89

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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.