Home / 1,258.52-1,738.70-1,073.92

Finding the Fourth Proportional to 1,258.52, 1,738.70 and 1,073.92

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Solution

The fourth proportional to 1,258.52, 1,738.70 and 1,073.92 is: 1,483.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.52 : 1,738.70 = 1,073.92 : x
  2. Step 2: Convert to fraction form
    1,258.52/1,738.70 = 1,073.92/x
  3. Step 3: Cross multiply
    1,258.52x = 1,738.70 × 1,073.92
  4. Step 4: Simplify right side
    1,258.52x = 1,867,224.70
  5. Step 5: Solve for x
    x = 1,867,224.70/1,258.52
  6. Step 6: Final answer
    x = 1,483.67

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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.