Home / 2,292.79-3,440.33-977.40

Finding the Fourth Proportional to 2,292.79, 3,440.33 and 977.40

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Solution

The fourth proportional to 2,292.79, 3,440.33 and 977.40 is: 1,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.79 : 3,440.33 = 977.40 : x
  2. Step 2: Convert to fraction form
    2,292.79/3,440.33 = 977.40/x
  3. Step 3: Cross multiply
    2,292.79x = 3,440.33 × 977.40
  4. Step 4: Simplify right side
    2,292.79x = 3,362,578.54
  5. Step 5: Solve for x
    x = 3,362,578.54/2,292.79
  6. Step 6: Final answer
    x = 1,466.59

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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.