Home / 2,525.60-3,788.40-2,247.20

Finding the Fourth Proportional to 2,525.60, 3,788.40 and 2,247.20

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Solution

The fourth proportional to 2,525.60, 3,788.40 and 2,247.20 is: 3,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.60 : 3,788.40 = 2,247.20 : x
  2. Step 2: Convert to fraction form
    2,525.60/3,788.40 = 2,247.20/x
  3. Step 3: Cross multiply
    2,525.60x = 3,788.40 × 2,247.20
  4. Step 4: Simplify right side
    2,525.60x = 8,513,292.48
  5. Step 5: Solve for x
    x = 8,513,292.48/2,525.60
  6. Step 6: Final answer
    x = 3,370.80

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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.