Home / 2,388.14-3,575.57-1,215.62

Finding the Fourth Proportional to 2,388.14, 3,575.57 and 1,215.62

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Solution

The fourth proportional to 2,388.14, 3,575.57 and 1,215.62 is: 1,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.14 : 3,575.57 = 1,215.62 : x
  2. Step 2: Convert to fraction form
    2,388.14/3,575.57 = 1,215.62/x
  3. Step 3: Cross multiply
    2,388.14x = 3,575.57 × 1,215.62
  4. Step 4: Simplify right side
    2,388.14x = 4,346,545.65
  5. Step 5: Solve for x
    x = 4,346,545.65/2,388.14
  6. Step 6: Final answer
    x = 1,820.05

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1.5x scale

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.