Home / 1,343.95-2,006.19-1,242.46

Finding the Fourth Proportional to 1,343.95, 2,006.19 and 1,242.46

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Solution

The fourth proportional to 1,343.95, 2,006.19 and 1,242.46 is: 1,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.95 : 2,006.19 = 1,242.46 : x
  2. Step 2: Convert to fraction form
    1,343.95/2,006.19 = 1,242.46/x
  3. Step 3: Cross multiply
    1,343.95x = 2,006.19 × 1,242.46
  4. Step 4: Simplify right side
    1,343.95x = 2,492,610.83
  5. Step 5: Solve for x
    x = 2,492,610.83/1,343.95
  6. Step 6: Final answer
    x = 1,854.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.