Home / 2,341.53-3,512.90-1,108.91

Finding the Fourth Proportional to 2,341.53, 3,512.90 and 1,108.91

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Solution

The fourth proportional to 2,341.53, 3,512.90 and 1,108.91 is: 1,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.53 : 3,512.90 = 1,108.91 : x
  2. Step 2: Convert to fraction form
    2,341.53/3,512.90 = 1,108.91/x
  3. Step 3: Cross multiply
    2,341.53x = 3,512.90 × 1,108.91
  4. Step 4: Simplify right side
    2,341.53x = 3,895,472.37
  5. Step 5: Solve for x
    x = 3,895,472.37/2,341.53
  6. Step 6: Final answer
    x = 1,663.65

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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.