Home / 2,133.22-2,943.93-1,248.85

Finding the Fourth Proportional to 2,133.22, 2,943.93 and 1,248.85

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Solution

The fourth proportional to 2,133.22, 2,943.93 and 1,248.85 is: 1,723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.22 : 2,943.93 = 1,248.85 : x
  2. Step 2: Convert to fraction form
    2,133.22/2,943.93 = 1,248.85/x
  3. Step 3: Cross multiply
    2,133.22x = 2,943.93 × 1,248.85
  4. Step 4: Simplify right side
    2,133.22x = 3,676,526.98
  5. Step 5: Solve for x
    x = 3,676,526.98/2,133.22
  6. Step 6: Final answer
    x = 1,723.46

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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.