Home / 1,943.19-2,681.50-1,058.97

Finding the Fourth Proportional to 1,943.19, 2,681.50 and 1,058.97

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Solution

The fourth proportional to 1,943.19, 2,681.50 and 1,058.97 is: 1,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.19 : 2,681.50 = 1,058.97 : x
  2. Step 2: Convert to fraction form
    1,943.19/2,681.50 = 1,058.97/x
  3. Step 3: Cross multiply
    1,943.19x = 2,681.50 × 1,058.97
  4. Step 4: Simplify right side
    1,943.19x = 2,839,628.06
  5. Step 5: Solve for x
    x = 2,839,628.06/1,943.19
  6. Step 6: Final answer
    x = 1,461.32

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Double scale
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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.