Home / 3,139.18-4,703.03-1,470.24

Finding the Fourth Proportional to 3,139.18, 4,703.03 and 1,470.24

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Solution

The fourth proportional to 3,139.18, 4,703.03 and 1,470.24 is: 2,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.18 : 4,703.03 = 1,470.24 : x
  2. Step 2: Convert to fraction form
    3,139.18/4,703.03 = 1,470.24/x
  3. Step 3: Cross multiply
    3,139.18x = 4,703.03 × 1,470.24
  4. Step 4: Simplify right side
    3,139.18x = 6,914,582.83
  5. Step 5: Solve for x
    x = 6,914,582.83/3,139.18
  6. Step 6: Final answer
    x = 2,202.67

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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.