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Finding the Fourth Proportional to 2,298.45, 3,447.61 and 654.99

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Solution

The fourth proportional to 2,298.45, 3,447.61 and 654.99 is: 982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.45 : 3,447.61 = 654.99 : x
  2. Step 2: Convert to fraction form
    2,298.45/3,447.61 = 654.99/x
  3. Step 3: Cross multiply
    2,298.45x = 3,447.61 × 654.99
  4. Step 4: Simplify right side
    2,298.45x = 2,258,139.19
  5. Step 5: Solve for x
    x = 2,258,139.19/2,298.45
  6. Step 6: Final answer
    x = 982.46

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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.