Home / 2,097.66-2,895.38-1,399.03

Finding the Fourth Proportional to 2,097.66, 2,895.38 and 1,399.03

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Solution

The fourth proportional to 2,097.66, 2,895.38 and 1,399.03 is: 1,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.66 : 2,895.38 = 1,399.03 : x
  2. Step 2: Convert to fraction form
    2,097.66/2,895.38 = 1,399.03/x
  3. Step 3: Cross multiply
    2,097.66x = 2,895.38 × 1,399.03
  4. Step 4: Simplify right side
    2,097.66x = 4,050,716.49
  5. Step 5: Solve for x
    x = 4,050,716.49/2,097.66
  6. Step 6: Final answer
    x = 1,931.07

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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.