Home / 2,913.45-4,021.13-1,654.55

Finding the Fourth Proportional to 2,913.45, 4,021.13 and 1,654.55

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Solution

The fourth proportional to 2,913.45, 4,021.13 and 1,654.55 is: 2,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.45 : 4,021.13 = 1,654.55 : x
  2. Step 2: Convert to fraction form
    2,913.45/4,021.13 = 1,654.55/x
  3. Step 3: Cross multiply
    2,913.45x = 4,021.13 × 1,654.55
  4. Step 4: Simplify right side
    2,913.45x = 6,653,162.42
  5. Step 5: Solve for x
    x = 6,653,162.42/2,913.45
  6. Step 6: Final answer
    x = 2,283.60

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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.