Home / 2,834.40-3,911.55-1,715.13

Finding the Fourth Proportional to 2,834.40, 3,911.55 and 1,715.13

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Solution

The fourth proportional to 2,834.40, 3,911.55 and 1,715.13 is: 2,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.40 : 3,911.55 = 1,715.13 : x
  2. Step 2: Convert to fraction form
    2,834.40/3,911.55 = 1,715.13/x
  3. Step 3: Cross multiply
    2,834.40x = 3,911.55 × 1,715.13
  4. Step 4: Simplify right side
    2,834.40x = 6,708,816.75
  5. Step 5: Solve for x
    x = 6,708,816.75/2,834.40
  6. Step 6: Final answer
    x = 2,366.93

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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.