Home / 2,650.57-3,657.90-1,588.13

Finding the Fourth Proportional to 2,650.57, 3,657.90 and 1,588.13

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Solution

The fourth proportional to 2,650.57, 3,657.90 and 1,588.13 is: 2,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.57 : 3,657.90 = 1,588.13 : x
  2. Step 2: Convert to fraction form
    2,650.57/3,657.90 = 1,588.13/x
  3. Step 3: Cross multiply
    2,650.57x = 3,657.90 × 1,588.13
  4. Step 4: Simplify right side
    2,650.57x = 5,809,220.73
  5. Step 5: Solve for x
    x = 5,809,220.73/2,650.57
  6. Step 6: Final answer
    x = 2,191.69

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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.