Home / 2,272.08-3,135.69-1,527.60

Finding the Fourth Proportional to 2,272.08, 3,135.69 and 1,527.60

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Solution

The fourth proportional to 2,272.08, 3,135.69 and 1,527.60 is: 2,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.08 : 3,135.69 = 1,527.60 : x
  2. Step 2: Convert to fraction form
    2,272.08/3,135.69 = 1,527.60/x
  3. Step 3: Cross multiply
    2,272.08x = 3,135.69 × 1,527.60
  4. Step 4: Simplify right side
    2,272.08x = 4,790,080.04
  5. Step 5: Solve for x
    x = 4,790,080.04/2,272.08
  6. Step 6: Final answer
    x = 2,108.24

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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.