Home / 2,290.18-3,432.87-1,058.39

Finding the Fourth Proportional to 2,290.18, 3,432.87 and 1,058.39

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Solution

The fourth proportional to 2,290.18, 3,432.87 and 1,058.39 is: 1,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.18 : 3,432.87 = 1,058.39 : x
  2. Step 2: Convert to fraction form
    2,290.18/3,432.87 = 1,058.39/x
  3. Step 3: Cross multiply
    2,290.18x = 3,432.87 × 1,058.39
  4. Step 4: Simplify right side
    2,290.18x = 3,633,315.28
  5. Step 5: Solve for x
    x = 3,633,315.28/2,290.18
  6. Step 6: Final answer
    x = 1,586.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.