Home / 1,722.38-2,376.09-1,058.99

Finding the Fourth Proportional to 1,722.38, 2,376.09 and 1,058.99

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Solution

The fourth proportional to 1,722.38, 2,376.09 and 1,058.99 is: 1,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.38 : 2,376.09 = 1,058.99 : x
  2. Step 2: Convert to fraction form
    1,722.38/2,376.09 = 1,058.99/x
  3. Step 3: Cross multiply
    1,722.38x = 2,376.09 × 1,058.99
  4. Step 4: Simplify right side
    1,722.38x = 2,516,243.67
  5. Step 5: Solve for x
    x = 2,516,243.67/1,722.38
  6. Step 6: Final answer
    x = 1,460.92

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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.