Home / 1,973.95-2,723.91-1,089.56

Finding the Fourth Proportional to 1,973.95, 2,723.91 and 1,089.56

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Solution

The fourth proportional to 1,973.95, 2,723.91 and 1,089.56 is: 1,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.95 : 2,723.91 = 1,089.56 : x
  2. Step 2: Convert to fraction form
    1,973.95/2,723.91 = 1,089.56/x
  3. Step 3: Cross multiply
    1,973.95x = 2,723.91 × 1,089.56
  4. Step 4: Simplify right side
    1,973.95x = 2,967,863.38
  5. Step 5: Solve for x
    x = 2,967,863.38/1,973.95
  6. Step 6: Final answer
    x = 1,503.51

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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.