Home / 1,895.96-2,617.45-1,330.53

Finding the Fourth Proportional to 1,895.96, 2,617.45 and 1,330.53

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Solution

The fourth proportional to 1,895.96, 2,617.45 and 1,330.53 is: 1,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.96 : 2,617.45 = 1,330.53 : x
  2. Step 2: Convert to fraction form
    1,895.96/2,617.45 = 1,330.53/x
  3. Step 3: Cross multiply
    1,895.96x = 2,617.45 × 1,330.53
  4. Step 4: Simplify right side
    1,895.96x = 3,482,595.75
  5. Step 5: Solve for x
    x = 3,482,595.75/1,895.96
  6. Step 6: Final answer
    x = 1,836.85

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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.