Home / 2,913.54-4,020.32-1,654.72

Finding the Fourth Proportional to 2,913.54, 4,020.32 and 1,654.72

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Solution

The fourth proportional to 2,913.54, 4,020.32 and 1,654.72 is: 2,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.54 : 4,020.32 = 1,654.72 : x
  2. Step 2: Convert to fraction form
    2,913.54/4,020.32 = 1,654.72/x
  3. Step 3: Cross multiply
    2,913.54x = 4,020.32 × 1,654.72
  4. Step 4: Simplify right side
    2,913.54x = 6,652,503.91
  5. Step 5: Solve for x
    x = 6,652,503.91/2,913.54
  6. Step 6: Final answer
    x = 2,283.31

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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.