Home / 3,818.42-5,724.63-2,570.39

Finding the Fourth Proportional to 3,818.42, 5,724.63 and 2,570.39

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Solution

The fourth proportional to 3,818.42, 5,724.63 and 2,570.39 is: 3,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.42 : 5,724.63 = 2,570.39 : x
  2. Step 2: Convert to fraction form
    3,818.42/5,724.63 = 2,570.39/x
  3. Step 3: Cross multiply
    3,818.42x = 5,724.63 × 2,570.39
  4. Step 4: Simplify right side
    3,818.42x = 14,714,531.71
  5. Step 5: Solve for x
    x = 14,714,531.71/3,818.42
  6. Step 6: Final answer
    x = 3,853.57

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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.