Home / 2,913.47-4,020.71-1,654.53

Finding the Fourth Proportional to 2,913.47, 4,020.71 and 1,654.53

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Solution

The fourth proportional to 2,913.47, 4,020.71 and 1,654.53 is: 2,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.47 : 4,020.71 = 1,654.53 : x
  2. Step 2: Convert to fraction form
    2,913.47/4,020.71 = 1,654.53/x
  3. Step 3: Cross multiply
    2,913.47x = 4,020.71 × 1,654.53
  4. Step 4: Simplify right side
    2,913.47x = 6,652,375.93
  5. Step 5: Solve for x
    x = 6,652,375.93/2,913.47
  6. Step 6: Final answer
    x = 2,283.32

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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.