Home / 3,565.61-4,921.91-3,191.93

Finding the Fourth Proportional to 3,565.61, 4,921.91 and 3,191.93

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Solution

The fourth proportional to 3,565.61, 4,921.91 and 3,191.93 is: 4,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.61 : 4,921.91 = 3,191.93 : x
  2. Step 2: Convert to fraction form
    3,565.61/4,921.91 = 3,191.93/x
  3. Step 3: Cross multiply
    3,565.61x = 4,921.91 × 3,191.93
  4. Step 4: Simplify right side
    3,565.61x = 15,710,392.19
  5. Step 5: Solve for x
    x = 15,710,392.19/3,565.61
  6. Step 6: Final answer
    x = 4,406.09

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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.