Home / 1,058.85-1,579.25-1,040.38

Finding the Fourth Proportional to 1,058.85, 1,579.25 and 1,040.38

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Solution

The fourth proportional to 1,058.85, 1,579.25 and 1,040.38 is: 1,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058.85 : 1,579.25 = 1,040.38 : x
  2. Step 2: Convert to fraction form
    1,058.85/1,579.25 = 1,040.38/x
  3. Step 3: Cross multiply
    1,058.85x = 1,579.25 × 1,040.38
  4. Step 4: Simplify right side
    1,058.85x = 1,643,018.77
  5. Step 5: Solve for x
    x = 1,643,018.77/1,058.85
  6. Step 6: Final answer
    x = 1,551.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.