Home / 2,834.06-3,911.29-1,655.10

Finding the Fourth Proportional to 2,834.06, 3,911.29 and 1,655.10

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Solution

The fourth proportional to 2,834.06, 3,911.29 and 1,655.10 is: 2,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.06 : 3,911.29 = 1,655.10 : x
  2. Step 2: Convert to fraction form
    2,834.06/3,911.29 = 1,655.10/x
  3. Step 3: Cross multiply
    2,834.06x = 3,911.29 × 1,655.10
  4. Step 4: Simplify right side
    2,834.06x = 6,473,571.94
  5. Step 5: Solve for x
    x = 6,473,571.94/2,834.06
  6. Step 6: Final answer
    x = 2,284.21

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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.