Home / 4,114.21-5,677.74-2,345.78

Finding the Fourth Proportional to 4,114.21, 5,677.74 and 2,345.78

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Solution

The fourth proportional to 4,114.21, 5,677.74 and 2,345.78 is: 3,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.21 : 5,677.74 = 2,345.78 : x
  2. Step 2: Convert to fraction form
    4,114.21/5,677.74 = 2,345.78/x
  3. Step 3: Cross multiply
    4,114.21x = 5,677.74 × 2,345.78
  4. Step 4: Simplify right side
    4,114.21x = 13,318,728.94
  5. Step 5: Solve for x
    x = 13,318,728.94/4,114.21
  6. Step 6: Final answer
    x = 3,237.25

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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.