Home / 3,135.56-4,698.40-2,547.72

Finding the Fourth Proportional to 3,135.56, 4,698.40 and 2,547.72

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Solution

The fourth proportional to 3,135.56, 4,698.40 and 2,547.72 is: 3,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.56 : 4,698.40 = 2,547.72 : x
  2. Step 2: Convert to fraction form
    3,135.56/4,698.40 = 2,547.72/x
  3. Step 3: Cross multiply
    3,135.56x = 4,698.40 × 2,547.72
  4. Step 4: Simplify right side
    3,135.56x = 11,970,207.65
  5. Step 5: Solve for x
    x = 11,970,207.65/3,135.56
  6. Step 6: Final answer
    x = 3,817.57

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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.