Home / 1,942.50-2,680.58-1,058.29

Finding the Fourth Proportional to 1,942.50, 2,680.58 and 1,058.29

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Solution

The fourth proportional to 1,942.50, 2,680.58 and 1,058.29 is: 1,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.50 : 2,680.58 = 1,058.29 : x
  2. Step 2: Convert to fraction form
    1,942.50/2,680.58 = 1,058.29/x
  3. Step 3: Cross multiply
    1,942.50x = 2,680.58 × 1,058.29
  4. Step 4: Simplify right side
    1,942.50x = 2,836,831.01
  5. Step 5: Solve for x
    x = 2,836,831.01/1,942.50
  6. Step 6: Final answer
    x = 1,460.40

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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.