Home / 2,690.72-4,036.13-1,046.96

Finding the Fourth Proportional to 2,690.72, 4,036.13 and 1,046.96

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Solution

The fourth proportional to 2,690.72, 4,036.13 and 1,046.96 is: 1,570.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.72 : 4,036.13 = 1,046.96 : x
  2. Step 2: Convert to fraction form
    2,690.72/4,036.13 = 1,046.96/x
  3. Step 3: Cross multiply
    2,690.72x = 4,036.13 × 1,046.96
  4. Step 4: Simplify right side
    2,690.72x = 4,225,660.31
  5. Step 5: Solve for x
    x = 4,225,660.31/2,690.72
  6. Step 6: Final answer
    x = 1,570.46

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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.