Home / 2,653.32-3,980.04-1,009.56

Finding the Fourth Proportional to 2,653.32, 3,980.04 and 1,009.56

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Solution

The fourth proportional to 2,653.32, 3,980.04 and 1,009.56 is: 1,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.32 : 3,980.04 = 1,009.56 : x
  2. Step 2: Convert to fraction form
    2,653.32/3,980.04 = 1,009.56/x
  3. Step 3: Cross multiply
    2,653.32x = 3,980.04 × 1,009.56
  4. Step 4: Simplify right side
    2,653.32x = 4,018,089.18
  5. Step 5: Solve for x
    x = 4,018,089.18/2,653.32
  6. Step 6: Final answer
    x = 1,514.36

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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.