Home / 2,911.17-4,017.40-1,584.87

Finding the Fourth Proportional to 2,911.17, 4,017.40 and 1,584.87

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Solution

The fourth proportional to 2,911.17, 4,017.40 and 1,584.87 is: 2,187.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.17 : 4,017.40 = 1,584.87 : x
  2. Step 2: Convert to fraction form
    2,911.17/4,017.40 = 1,584.87/x
  3. Step 3: Cross multiply
    2,911.17x = 4,017.40 × 1,584.87
  4. Step 4: Simplify right side
    2,911.17x = 6,367,056.74
  5. Step 5: Solve for x
    x = 6,367,056.74/2,911.17
  6. Step 6: Final answer
    x = 2,187.11

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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.