Home / 2,911.21-4,366.65-1,061.98

Finding the Fourth Proportional to 2,911.21, 4,366.65 and 1,061.98

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Solution

The fourth proportional to 2,911.21, 4,366.65 and 1,061.98 is: 1,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.21 : 4,366.65 = 1,061.98 : x
  2. Step 2: Convert to fraction form
    2,911.21/4,366.65 = 1,061.98/x
  3. Step 3: Cross multiply
    2,911.21x = 4,366.65 × 1,061.98
  4. Step 4: Simplify right side
    2,911.21x = 4,637,294.97
  5. Step 5: Solve for x
    x = 4,637,294.97/2,911.21
  6. Step 6: Final answer
    x = 1,592.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.