Home / 1,943.07-2,681.45-1,058.87

Finding the Fourth Proportional to 1,943.07, 2,681.45 and 1,058.87

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Solution

The fourth proportional to 1,943.07, 2,681.45 and 1,058.87 is: 1,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.07 : 2,681.45 = 1,058.87 : x
  2. Step 2: Convert to fraction form
    1,943.07/2,681.45 = 1,058.87/x
  3. Step 3: Cross multiply
    1,943.07x = 2,681.45 × 1,058.87
  4. Step 4: Simplify right side
    1,943.07x = 2,839,318.30
  5. Step 5: Solve for x
    x = 2,839,318.30/1,943.07
  6. Step 6: Final answer
    x = 1,461.25

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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.