Home / 3,170.13-4,374.93-1,753.81

Finding the Fourth Proportional to 3,170.13, 4,374.93 and 1,753.81

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Solution

The fourth proportional to 3,170.13, 4,374.93 and 1,753.81 is: 2,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.13 : 4,374.93 = 1,753.81 : x
  2. Step 2: Convert to fraction form
    3,170.13/4,374.93 = 1,753.81/x
  3. Step 3: Cross multiply
    3,170.13x = 4,374.93 × 1,753.81
  4. Step 4: Simplify right side
    3,170.13x = 7,672,795.98
  5. Step 5: Solve for x
    x = 7,672,795.98/3,170.13
  6. Step 6: Final answer
    x = 2,420.34

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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.