Home / 1,943.05-2,681.47-1,058.91

Finding the Fourth Proportional to 1,943.05, 2,681.47 and 1,058.91

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Solution

The fourth proportional to 1,943.05, 2,681.47 and 1,058.91 is: 1,461.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.05 : 2,681.47 = 1,058.91 : x
  2. Step 2: Convert to fraction form
    1,943.05/2,681.47 = 1,058.91/x
  3. Step 3: Cross multiply
    1,943.05x = 2,681.47 × 1,058.91
  4. Step 4: Simplify right side
    1,943.05x = 2,839,433.51
  5. Step 5: Solve for x
    x = 2,839,433.51/1,943.05
  6. Step 6: Final answer
    x = 1,461.33

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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.