Home / 3,074.41-4,242.73-1,677.16

Finding the Fourth Proportional to 3,074.41, 4,242.73 and 1,677.16

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Solution

The fourth proportional to 3,074.41, 4,242.73 and 1,677.16 is: 2,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.41 : 4,242.73 = 1,677.16 : x
  2. Step 2: Convert to fraction form
    3,074.41/4,242.73 = 1,677.16/x
  3. Step 3: Cross multiply
    3,074.41x = 4,242.73 × 1,677.16
  4. Step 4: Simplify right side
    3,074.41x = 7,115,737.05
  5. Step 5: Solve for x
    x = 7,115,737.05/3,074.41
  6. Step 6: Final answer
    x = 2,314.50

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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.