Home / 3,394.98-4,688.28-2,218.86

Finding the Fourth Proportional to 3,394.98, 4,688.28 and 2,218.86

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Solution

The fourth proportional to 3,394.98, 4,688.28 and 2,218.86 is: 3,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.98 : 4,688.28 = 2,218.86 : x
  2. Step 2: Convert to fraction form
    3,394.98/4,688.28 = 2,218.86/x
  3. Step 3: Cross multiply
    3,394.98x = 4,688.28 × 2,218.86
  4. Step 4: Simplify right side
    3,394.98x = 10,402,636.96
  5. Step 5: Solve for x
    x = 10,402,636.96/3,394.98
  6. Step 6: Final answer
    x = 3,064.12

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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.