Home / 4,178.05-5,766.20-2,409.72

Finding the Fourth Proportional to 4,178.05, 5,766.20 and 2,409.72

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Solution

The fourth proportional to 4,178.05, 5,766.20 and 2,409.72 is: 3,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.05 : 5,766.20 = 2,409.72 : x
  2. Step 2: Convert to fraction form
    4,178.05/5,766.20 = 2,409.72/x
  3. Step 3: Cross multiply
    4,178.05x = 5,766.20 × 2,409.72
  4. Step 4: Simplify right side
    4,178.05x = 13,894,927.46
  5. Step 5: Solve for x
    x = 13,894,927.46/4,178.05
  6. Step 6: Final answer
    x = 3,325.70

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1.5x scale

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.