Home / 3,170.23-4,374.81-1,753.84

Finding the Fourth Proportional to 3,170.23, 4,374.81 and 1,753.84

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Solution

The fourth proportional to 3,170.23, 4,374.81 and 1,753.84 is: 2,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.23 : 4,374.81 = 1,753.84 : x
  2. Step 2: Convert to fraction form
    3,170.23/4,374.81 = 1,753.84/x
  3. Step 3: Cross multiply
    3,170.23x = 4,374.81 × 1,753.84
  4. Step 4: Simplify right side
    3,170.23x = 7,672,716.77
  5. Step 5: Solve for x
    x = 7,672,716.77/3,170.23
  6. Step 6: Final answer
    x = 2,420.24

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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.