Home / 3,045.18-4,202.28-1,718.85

Finding the Fourth Proportional to 3,045.18, 4,202.28 and 1,718.85

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Solution

The fourth proportional to 3,045.18, 4,202.28 and 1,718.85 is: 2,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.18 : 4,202.28 = 1,718.85 : x
  2. Step 2: Convert to fraction form
    3,045.18/4,202.28 = 1,718.85/x
  3. Step 3: Cross multiply
    3,045.18x = 4,202.28 × 1,718.85
  4. Step 4: Simplify right side
    3,045.18x = 7,223,088.98
  5. Step 5: Solve for x
    x = 7,223,088.98/3,045.18
  6. Step 6: Final answer
    x = 2,371.97

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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.