Home / 4,146.86-5,722.21-2,378.42

Finding the Fourth Proportional to 4,146.86, 5,722.21 and 2,378.42

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Solution

The fourth proportional to 4,146.86, 5,722.21 and 2,378.42 is: 3,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.86 : 5,722.21 = 2,378.42 : x
  2. Step 2: Convert to fraction form
    4,146.86/5,722.21 = 2,378.42/x
  3. Step 3: Cross multiply
    4,146.86x = 5,722.21 × 2,378.42
  4. Step 4: Simplify right side
    4,146.86x = 13,609,818.71
  5. Step 5: Solve for x
    x = 13,609,818.71/4,146.86
  6. Step 6: Final answer
    x = 3,281.96

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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.