Home / 2,563.22-3,538.95-1,515.62

Finding the Fourth Proportional to 2,563.22, 3,538.95 and 1,515.62

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Solution

The fourth proportional to 2,563.22, 3,538.95 and 1,515.62 is: 2,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.22 : 3,538.95 = 1,515.62 : x
  2. Step 2: Convert to fraction form
    2,563.22/3,538.95 = 1,515.62/x
  3. Step 3: Cross multiply
    2,563.22x = 3,538.95 × 1,515.62
  4. Step 4: Simplify right side
    2,563.22x = 5,363,703.40
  5. Step 5: Solve for x
    x = 5,363,703.40/2,563.22
  6. Step 6: Final answer
    x = 2,092.56

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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.