Home / 1,942.91-2,681.22-1,058.70

Finding the Fourth Proportional to 1,942.91, 2,681.22 and 1,058.70

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Solution

The fourth proportional to 1,942.91, 2,681.22 and 1,058.70 is: 1,461.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.91 : 2,681.22 = 1,058.70 : x
  2. Step 2: Convert to fraction form
    1,942.91/2,681.22 = 1,058.70/x
  3. Step 3: Cross multiply
    1,942.91x = 2,681.22 × 1,058.70
  4. Step 4: Simplify right side
    1,942.91x = 2,838,607.61
  5. Step 5: Solve for x
    x = 2,838,607.61/1,942.91
  6. Step 6: Final answer
    x = 1,461.01

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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.