Home / 1,328.46-2,000.45-984.24

Finding the Fourth Proportional to 1,328.46, 2,000.45 and 984.24

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Solution

The fourth proportional to 1,328.46, 2,000.45 and 984.24 is: 1,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328.46 : 2,000.45 = 984.24 : x
  2. Step 2: Convert to fraction form
    1,328.46/2,000.45 = 984.24/x
  3. Step 3: Cross multiply
    1,328.46x = 2,000.45 × 984.24
  4. Step 4: Simplify right side
    1,328.46x = 1,968,910.49
  5. Step 5: Solve for x
    x = 1,968,910.49/1,328.46
  6. Step 6: Final answer
    x = 1,482.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.