Home / 1,540.32-2,299.26-1,345.92

Finding the Fourth Proportional to 1,540.32, 2,299.26 and 1,345.92

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Solution

The fourth proportional to 1,540.32, 2,299.26 and 1,345.92 is: 2,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.32 : 2,299.26 = 1,345.92 : x
  2. Step 2: Convert to fraction form
    1,540.32/2,299.26 = 1,345.92/x
  3. Step 3: Cross multiply
    1,540.32x = 2,299.26 × 1,345.92
  4. Step 4: Simplify right side
    1,540.32x = 3,094,620.02
  5. Step 5: Solve for x
    x = 3,094,620.02/1,540.32
  6. Step 6: Final answer
    x = 2,009.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.