Home / 2,911.22-4,017.36-1,584.93

Finding the Fourth Proportional to 2,911.22, 4,017.36 and 1,584.93

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Solution

The fourth proportional to 2,911.22, 4,017.36 and 1,584.93 is: 2,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.22 : 4,017.36 = 1,584.93 : x
  2. Step 2: Convert to fraction form
    2,911.22/4,017.36 = 1,584.93/x
  3. Step 3: Cross multiply
    2,911.22x = 4,017.36 × 1,584.93
  4. Step 4: Simplify right side
    2,911.22x = 6,367,213.38
  5. Step 5: Solve for x
    x = 6,367,213.38/2,911.22
  6. Step 6: Final answer
    x = 2,187.13

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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.