Home / 1,258.34-1,882.85-1,050.77

Finding the Fourth Proportional to 1,258.34, 1,882.85 and 1,050.77

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Solution

The fourth proportional to 1,258.34, 1,882.85 and 1,050.77 is: 1,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.34 : 1,882.85 = 1,050.77 : x
  2. Step 2: Convert to fraction form
    1,258.34/1,882.85 = 1,050.77/x
  3. Step 3: Cross multiply
    1,258.34x = 1,882.85 × 1,050.77
  4. Step 4: Simplify right side
    1,258.34x = 1,978,441.75
  5. Step 5: Solve for x
    x = 1,978,441.75/1,258.34
  6. Step 6: Final answer
    x = 1,572.27

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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.