Home / 1,895.68-2,617.68-1,399.18

Finding the Fourth Proportional to 1,895.68, 2,617.68 and 1,399.18

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Solution

The fourth proportional to 1,895.68, 2,617.68 and 1,399.18 is: 1,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.68 : 2,617.68 = 1,399.18 : x
  2. Step 2: Convert to fraction form
    1,895.68/2,617.68 = 1,399.18/x
  3. Step 3: Cross multiply
    1,895.68x = 2,617.68 × 1,399.18
  4. Step 4: Simplify right side
    1,895.68x = 3,662,605.50
  5. Step 5: Solve for x
    x = 3,662,605.50/1,895.68
  6. Step 6: Final answer
    x = 1,932.08

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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.