Home / 1,560.24-2,342.41-1,215.79

Finding the Fourth Proportional to 1,560.24, 2,342.41 and 1,215.79

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Solution

The fourth proportional to 1,560.24, 2,342.41 and 1,215.79 is: 1,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.24 : 2,342.41 = 1,215.79 : x
  2. Step 2: Convert to fraction form
    1,560.24/2,342.41 = 1,215.79/x
  3. Step 3: Cross multiply
    1,560.24x = 2,342.41 × 1,215.79
  4. Step 4: Simplify right side
    1,560.24x = 2,847,878.65
  5. Step 5: Solve for x
    x = 2,847,878.65/1,560.24
  6. Step 6: Final answer
    x = 1,825.28

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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.