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Finding the Fourth Proportional to 3,465.32, 4,781.95 and 1,973.09

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Solution

The fourth proportional to 3,465.32, 4,781.95 and 1,973.09 is: 2,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.32 : 4,781.95 = 1,973.09 : x
  2. Step 2: Convert to fraction form
    3,465.32/4,781.95 = 1,973.09/x
  3. Step 3: Cross multiply
    3,465.32x = 4,781.95 × 1,973.09
  4. Step 4: Simplify right side
    3,465.32x = 9,435,224.75
  5. Step 5: Solve for x
    x = 9,435,224.75/3,465.32
  6. Step 6: Final answer
    x = 2,722.76

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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.