Home / 3,464.09-4,780.71-1,972.07

Finding the Fourth Proportional to 3,464.09, 4,780.71 and 1,972.07

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Solution

The fourth proportional to 3,464.09, 4,780.71 and 1,972.07 is: 2,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.09 : 4,780.71 = 1,972.07 : x
  2. Step 2: Convert to fraction form
    3,464.09/4,780.71 = 1,972.07/x
  3. Step 3: Cross multiply
    3,464.09x = 4,780.71 × 1,972.07
  4. Step 4: Simplify right side
    3,464.09x = 9,427,870.87
  5. Step 5: Solve for x
    x = 9,427,870.87/3,464.09
  6. Step 6: Final answer
    x = 2,721.60

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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.