Home / 2,146.03-3,218.05-975.99

Finding the Fourth Proportional to 2,146.03, 3,218.05 and 975.99

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Solution

The fourth proportional to 2,146.03, 3,218.05 and 975.99 is: 1,463.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.03 : 3,218.05 = 975.99 : x
  2. Step 2: Convert to fraction form
    2,146.03/3,218.05 = 975.99/x
  3. Step 3: Cross multiply
    2,146.03x = 3,218.05 × 975.99
  4. Step 4: Simplify right side
    2,146.03x = 3,140,770.97
  5. Step 5: Solve for x
    x = 3,140,770.97/2,146.03
  6. Step 6: Final answer
    x = 1,463.53

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1.5x scale

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.