Home / 2,913.64-4,021.05-1,654.90

Finding the Fourth Proportional to 2,913.64, 4,021.05 and 1,654.90

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Solution

The fourth proportional to 2,913.64, 4,021.05 and 1,654.90 is: 2,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.64 : 4,021.05 = 1,654.90 : x
  2. Step 2: Convert to fraction form
    2,913.64/4,021.05 = 1,654.90/x
  3. Step 3: Cross multiply
    2,913.64x = 4,021.05 × 1,654.90
  4. Step 4: Simplify right side
    2,913.64x = 6,654,435.65
  5. Step 5: Solve for x
    x = 6,654,435.65/2,913.64
  6. Step 6: Final answer
    x = 2,283.89

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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.