Home / 2,834.13-3,911.10-1,655.17

Finding the Fourth Proportional to 2,834.13, 3,911.10 and 1,655.17

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Solution

The fourth proportional to 2,834.13, 3,911.10 and 1,655.17 is: 2,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.13 : 3,911.10 = 1,655.17 : x
  2. Step 2: Convert to fraction form
    2,834.13/3,911.10 = 1,655.17/x
  3. Step 3: Cross multiply
    2,834.13x = 3,911.10 × 1,655.17
  4. Step 4: Simplify right side
    2,834.13x = 6,473,535.39
  5. Step 5: Solve for x
    x = 6,473,535.39/2,834.13
  6. Step 6: Final answer
    x = 2,284.13

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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.