Home / 2,988.70-4,482.84-1,323.34

Finding the Fourth Proportional to 2,988.70, 4,482.84 and 1,323.34

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Solution

The fourth proportional to 2,988.70, 4,482.84 and 1,323.34 is: 1,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.70 : 4,482.84 = 1,323.34 : x
  2. Step 2: Convert to fraction form
    2,988.70/4,482.84 = 1,323.34/x
  3. Step 3: Cross multiply
    2,988.70x = 4,482.84 × 1,323.34
  4. Step 4: Simplify right side
    2,988.70x = 5,932,315.24
  5. Step 5: Solve for x
    x = 5,932,315.24/2,988.70
  6. Step 6: Final answer
    x = 1,984.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.