Home / 1,942.81-2,681.06-1,058.61

Finding the Fourth Proportional to 1,942.81, 2,681.06 and 1,058.61

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Solution

The fourth proportional to 1,942.81, 2,681.06 and 1,058.61 is: 1,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.81 : 2,681.06 = 1,058.61 : x
  2. Step 2: Convert to fraction form
    1,942.81/2,681.06 = 1,058.61/x
  3. Step 3: Cross multiply
    1,942.81x = 2,681.06 × 1,058.61
  4. Step 4: Simplify right side
    1,942.81x = 2,838,199.57
  5. Step 5: Solve for x
    x = 2,838,199.57/1,942.81
  6. Step 6: Final answer
    x = 1,460.88

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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.