Home / 3,565.90-4,921.16-1,994.10

Finding the Fourth Proportional to 3,565.90, 4,921.16 and 1,994.10

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Solution

The fourth proportional to 3,565.90, 4,921.16 and 1,994.10 is: 2,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.90 : 4,921.16 = 1,994.10 : x
  2. Step 2: Convert to fraction form
    3,565.90/4,921.16 = 1,994.10/x
  3. Step 3: Cross multiply
    3,565.90x = 4,921.16 × 1,994.10
  4. Step 4: Simplify right side
    3,565.90x = 9,813,285.16
  5. Step 5: Solve for x
    x = 9,813,285.16/3,565.90
  6. Step 6: Final answer
    x = 2,751.98

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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.