Home / 2,601.78-3,590.36-1,553.10

Finding the Fourth Proportional to 2,601.78, 3,590.36 and 1,553.10

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Solution

The fourth proportional to 2,601.78, 3,590.36 and 1,553.10 is: 2,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.78 : 3,590.36 = 1,553.10 : x
  2. Step 2: Convert to fraction form
    2,601.78/3,590.36 = 1,553.10/x
  3. Step 3: Cross multiply
    2,601.78x = 3,590.36 × 1,553.10
  4. Step 4: Simplify right side
    2,601.78x = 5,576,188.12
  5. Step 5: Solve for x
    x = 5,576,188.12/2,601.78
  6. Step 6: Final answer
    x = 2,143.22

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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.