Home / 2,288.49-3,155.75-1,958.01

Finding the Fourth Proportional to 2,288.49, 3,155.75 and 1,958.01

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Solution

The fourth proportional to 2,288.49, 3,155.75 and 1,958.01 is: 2,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.49 : 3,155.75 = 1,958.01 : x
  2. Step 2: Convert to fraction form
    2,288.49/3,155.75 = 1,958.01/x
  3. Step 3: Cross multiply
    2,288.49x = 3,155.75 × 1,958.01
  4. Step 4: Simplify right side
    2,288.49x = 6,178,964.49
  5. Step 5: Solve for x
    x = 6,178,964.49/2,288.49
  6. Step 6: Final answer
    x = 2,700.02

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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.