Home / 3,617.79-4,992.87-2,045.85

Finding the Fourth Proportional to 3,617.79, 4,992.87 and 2,045.85

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Solution

The fourth proportional to 3,617.79, 4,992.87 and 2,045.85 is: 2,823.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.79 : 4,992.87 = 2,045.85 : x
  2. Step 2: Convert to fraction form
    3,617.79/4,992.87 = 2,045.85/x
  3. Step 3: Cross multiply
    3,617.79x = 4,992.87 × 2,045.85
  4. Step 4: Simplify right side
    3,617.79x = 10,214,638.13
  5. Step 5: Solve for x
    x = 10,214,638.13/3,617.79
  6. Step 6: Final answer
    x = 2,823.45

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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.