Home / 3,875.29-5,812.56-1,101.85

Finding the Fourth Proportional to 3,875.29, 5,812.56 and 1,101.85

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Solution

The fourth proportional to 3,875.29, 5,812.56 and 1,101.85 is: 1,652.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.29 : 5,812.56 = 1,101.85 : x
  2. Step 2: Convert to fraction form
    3,875.29/5,812.56 = 1,101.85/x
  3. Step 3: Cross multiply
    3,875.29x = 5,812.56 × 1,101.85
  4. Step 4: Simplify right side
    3,875.29x = 6,404,554.70
  5. Step 5: Solve for x
    x = 6,404,554.70/3,875.29
  6. Step 6: Final answer
    x = 1,652.67

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1.5x scale

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.