Home / 2,720.04-4,074.62-1,257.24

Finding the Fourth Proportional to 2,720.04, 4,074.62 and 1,257.24

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Solution

The fourth proportional to 2,720.04, 4,074.62 and 1,257.24 is: 1,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.04 : 4,074.62 = 1,257.24 : x
  2. Step 2: Convert to fraction form
    2,720.04/4,074.62 = 1,257.24/x
  3. Step 3: Cross multiply
    2,720.04x = 4,074.62 × 1,257.24
  4. Step 4: Simplify right side
    2,720.04x = 5,122,775.25
  5. Step 5: Solve for x
    x = 5,122,775.25/2,720.04
  6. Step 6: Final answer
    x = 1,883.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.