Home / 3,470.45-5,206.02-1,278.67

Finding the Fourth Proportional to 3,470.45, 5,206.02 and 1,278.67

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Solution

The fourth proportional to 3,470.45, 5,206.02 and 1,278.67 is: 1,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.45 : 5,206.02 = 1,278.67 : x
  2. Step 2: Convert to fraction form
    3,470.45/5,206.02 = 1,278.67/x
  3. Step 3: Cross multiply
    3,470.45x = 5,206.02 × 1,278.67
  4. Step 4: Simplify right side
    3,470.45x = 6,656,781.59
  5. Step 5: Solve for x
    x = 6,656,781.59/3,470.45
  6. Step 6: Final answer
    x = 1,918.13

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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.