Home / 1,973.28-2,723.01-1,089.08

Finding the Fourth Proportional to 1,973.28, 2,723.01 and 1,089.08

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Solution

The fourth proportional to 1,973.28, 2,723.01 and 1,089.08 is: 1,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.28 : 2,723.01 = 1,089.08 : x
  2. Step 2: Convert to fraction form
    1,973.28/2,723.01 = 1,089.08/x
  3. Step 3: Cross multiply
    1,973.28x = 2,723.01 × 1,089.08
  4. Step 4: Simplify right side
    1,973.28x = 2,965,568.24
  5. Step 5: Solve for x
    x = 2,965,568.24/1,973.28
  6. Step 6: Final answer
    x = 1,502.87

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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.