Home / 2,485.20-3,725.30-924.20

Finding the Fourth Proportional to 2,485.20, 3,725.30 and 924.20

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Solution

The fourth proportional to 2,485.20, 3,725.30 and 924.20 is: 1,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.20 : 3,725.30 = 924.20 : x
  2. Step 2: Convert to fraction form
    2,485.20/3,725.30 = 924.20/x
  3. Step 3: Cross multiply
    2,485.20x = 3,725.30 × 924.20
  4. Step 4: Simplify right side
    2,485.20x = 3,442,922.26
  5. Step 5: Solve for x
    x = 3,442,922.26/2,485.20
  6. Step 6: Final answer
    x = 1,385.37

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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.