Home / 2,551.15-3,520.62-1,503.21

Finding the Fourth Proportional to 2,551.15, 3,520.62 and 1,503.21

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Solution

The fourth proportional to 2,551.15, 3,520.62 and 1,503.21 is: 2,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.15 : 3,520.62 = 1,503.21 : x
  2. Step 2: Convert to fraction form
    2,551.15/3,520.62 = 1,503.21/x
  3. Step 3: Cross multiply
    2,551.15x = 3,520.62 × 1,503.21
  4. Step 4: Simplify right side
    2,551.15x = 5,292,231.19
  5. Step 5: Solve for x
    x = 5,292,231.19/2,551.15
  6. Step 6: Final answer
    x = 2,074.45

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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.