Home / 2,442.91-3,370.26-1,698.72

Finding the Fourth Proportional to 2,442.91, 3,370.26 and 1,698.72

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Solution

The fourth proportional to 2,442.91, 3,370.26 and 1,698.72 is: 2,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.91 : 3,370.26 = 1,698.72 : x
  2. Step 2: Convert to fraction form
    2,442.91/3,370.26 = 1,698.72/x
  3. Step 3: Cross multiply
    2,442.91x = 3,370.26 × 1,698.72
  4. Step 4: Simplify right side
    2,442.91x = 5,725,131.20
  5. Step 5: Solve for x
    x = 5,725,131.20/2,442.91
  6. Step 6: Final answer
    x = 2,343.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.