Home / 2,305.18-3,181.18-1,373.50

Finding the Fourth Proportional to 2,305.18, 3,181.18 and 1,373.50

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Solution

The fourth proportional to 2,305.18, 3,181.18 and 1,373.50 is: 1,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.18 : 3,181.18 = 1,373.50 : x
  2. Step 2: Convert to fraction form
    2,305.18/3,181.18 = 1,373.50/x
  3. Step 3: Cross multiply
    2,305.18x = 3,181.18 × 1,373.50
  4. Step 4: Simplify right side
    2,305.18x = 4,369,350.73
  5. Step 5: Solve for x
    x = 4,369,350.73/2,305.18
  6. Step 6: Final answer
    x = 1,895.45

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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.