Home / 2,503.55-3,454.36-1,455.05

Finding the Fourth Proportional to 2,503.55, 3,454.36 and 1,455.05

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Solution

The fourth proportional to 2,503.55, 3,454.36 and 1,455.05 is: 2,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,503.55 : 3,454.36 = 1,455.05 : x
  2. Step 2: Convert to fraction form
    2,503.55/3,454.36 = 1,455.05/x
  3. Step 3: Cross multiply
    2,503.55x = 3,454.36 × 1,455.05
  4. Step 4: Simplify right side
    2,503.55x = 5,026,245.61
  5. Step 5: Solve for x
    x = 5,026,245.61/2,503.55
  6. Step 6: Final answer
    x = 2,007.65

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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.