Home / 2,293.20-3,165.12-1,507.32

Finding the Fourth Proportional to 2,293.20, 3,165.12 and 1,507.32

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Solution

The fourth proportional to 2,293.20, 3,165.12 and 1,507.32 is: 2,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.20 : 3,165.12 = 1,507.32 : x
  2. Step 2: Convert to fraction form
    2,293.20/3,165.12 = 1,507.32/x
  3. Step 3: Cross multiply
    2,293.20x = 3,165.12 × 1,507.32
  4. Step 4: Simplify right side
    2,293.20x = 4,770,848.68
  5. Step 5: Solve for x
    x = 4,770,848.68/2,293.20
  6. Step 6: Final answer
    x = 2,080.43

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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.