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Finding the Fourth Proportional to 2,825.00, 4,236.13 and 975.47

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Solution

The fourth proportional to 2,825.00, 4,236.13 and 975.47 is: 1,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.00 : 4,236.13 = 975.47 : x
  2. Step 2: Convert to fraction form
    2,825.00/4,236.13 = 975.47/x
  3. Step 3: Cross multiply
    2,825.00x = 4,236.13 × 975.47
  4. Step 4: Simplify right side
    2,825.00x = 4,132,197.77
  5. Step 5: Solve for x
    x = 4,132,197.77/2,825.00
  6. Step 6: Final answer
    x = 1,462.73

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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.