Home / 2,402.19-3,315.98-2,064.76

Finding the Fourth Proportional to 2,402.19, 3,315.98 and 2,064.76

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Solution

The fourth proportional to 2,402.19, 3,315.98 and 2,064.76 is: 2,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.19 : 3,315.98 = 2,064.76 : x
  2. Step 2: Convert to fraction form
    2,402.19/3,315.98 = 2,064.76/x
  3. Step 3: Cross multiply
    2,402.19x = 3,315.98 × 2,064.76
  4. Step 4: Simplify right side
    2,402.19x = 6,846,702.86
  5. Step 5: Solve for x
    x = 6,846,702.86/2,402.19
  6. Step 6: Final answer
    x = 2,850.19

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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.