Home / 4,108.81-5,670.05-2,340.98

Finding the Fourth Proportional to 4,108.81, 5,670.05 and 2,340.98

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Solution

The fourth proportional to 4,108.81, 5,670.05 and 2,340.98 is: 3,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.81 : 5,670.05 = 2,340.98 : x
  2. Step 2: Convert to fraction form
    4,108.81/5,670.05 = 2,340.98/x
  3. Step 3: Cross multiply
    4,108.81x = 5,670.05 × 2,340.98
  4. Step 4: Simplify right side
    4,108.81x = 13,273,476.12
  5. Step 5: Solve for x
    x = 13,273,476.12/4,108.81
  6. Step 6: Final answer
    x = 3,230.49

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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.