Home / 2,596.40-3,902.70-2,547.80

Finding the Fourth Proportional to 2,596.40, 3,902.70 and 2,547.80

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Solution

The fourth proportional to 2,596.40, 3,902.70 and 2,547.80 is: 3,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596.40 : 3,902.70 = 2,547.80 : x
  2. Step 2: Convert to fraction form
    2,596.40/3,902.70 = 2,547.80/x
  3. Step 3: Cross multiply
    2,596.40x = 3,902.70 × 2,547.80
  4. Step 4: Simplify right side
    2,596.40x = 9,943,299.06
  5. Step 5: Solve for x
    x = 9,943,299.06/2,596.40
  6. Step 6: Final answer
    x = 3,829.65

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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.