Home / 3,654.70-5,038.05-2,590.90

Finding the Fourth Proportional to 3,654.70, 5,038.05 and 2,590.90

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Solution

The fourth proportional to 3,654.70, 5,038.05 and 2,590.90 is: 3,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.70 : 5,038.05 = 2,590.90 : x
  2. Step 2: Convert to fraction form
    3,654.70/5,038.05 = 2,590.90/x
  3. Step 3: Cross multiply
    3,654.70x = 5,038.05 × 2,590.90
  4. Step 4: Simplify right side
    3,654.70x = 13,053,083.75
  5. Step 5: Solve for x
    x = 13,053,083.75/3,654.70
  6. Step 6: Final answer
    x = 3,571.59

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1.5x scale

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.