Home / 3,886.40-5,827.46-1,544.02

Finding the Fourth Proportional to 3,886.40, 5,827.46 and 1,544.02

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Solution

The fourth proportional to 3,886.40, 5,827.46 and 1,544.02 is: 2,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.40 : 5,827.46 = 1,544.02 : x
  2. Step 2: Convert to fraction form
    3,886.40/5,827.46 = 1,544.02/x
  3. Step 3: Cross multiply
    3,886.40x = 5,827.46 × 1,544.02
  4. Step 4: Simplify right side
    3,886.40x = 8,997,714.79
  5. Step 5: Solve for x
    x = 8,997,714.79/3,886.40
  6. Step 6: Final answer
    x = 2,315.18

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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.