Home / 3,464.49-4,781.03-1,972.40

Finding the Fourth Proportional to 3,464.49, 4,781.03 and 1,972.40

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Solution

The fourth proportional to 3,464.49, 4,781.03 and 1,972.40 is: 2,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.49 : 4,781.03 = 1,972.40 : x
  2. Step 2: Convert to fraction form
    3,464.49/4,781.03 = 1,972.40/x
  3. Step 3: Cross multiply
    3,464.49x = 4,781.03 × 1,972.40
  4. Step 4: Simplify right side
    3,464.49x = 9,430,126.79
  5. Step 5: Solve for x
    x = 9,430,126.79/3,464.49
  6. Step 6: Final answer
    x = 2,721.94

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1.5x scale

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.