Home / 1,604.13-2,214.27-974.40

Finding the Fourth Proportional to 1,604.13, 2,214.27 and 974.40

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Solution

The fourth proportional to 1,604.13, 2,214.27 and 974.40 is: 1,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.13 : 2,214.27 = 974.40 : x
  2. Step 2: Convert to fraction form
    1,604.13/2,214.27 = 974.40/x
  3. Step 3: Cross multiply
    1,604.13x = 2,214.27 × 974.40
  4. Step 4: Simplify right side
    1,604.13x = 2,157,584.69
  5. Step 5: Solve for x
    x = 2,157,584.69/1,604.13
  6. Step 6: Final answer
    x = 1,345.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.