Home / 4,111.61-5,673.66-2,318.99

Finding the Fourth Proportional to 4,111.61, 5,673.66 and 2,318.99

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Solution

The fourth proportional to 4,111.61, 5,673.66 and 2,318.99 is: 3,200.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.61 : 5,673.66 = 2,318.99 : x
  2. Step 2: Convert to fraction form
    4,111.61/5,673.66 = 2,318.99/x
  3. Step 3: Cross multiply
    4,111.61x = 5,673.66 × 2,318.99
  4. Step 4: Simplify right side
    4,111.61x = 13,157,132.44
  5. Step 5: Solve for x
    x = 13,157,132.44/4,111.61
  6. Step 6: Final answer
    x = 3,200.00

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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.