Home / 2,019.13-2,785.46-1,310.92

Finding the Fourth Proportional to 2,019.13, 2,785.46 and 1,310.92

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Solution

The fourth proportional to 2,019.13, 2,785.46 and 1,310.92 is: 1,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.13 : 2,785.46 = 1,310.92 : x
  2. Step 2: Convert to fraction form
    2,019.13/2,785.46 = 1,310.92/x
  3. Step 3: Cross multiply
    2,019.13x = 2,785.46 × 1,310.92
  4. Step 4: Simplify right side
    2,019.13x = 3,651,501.70
  5. Step 5: Solve for x
    x = 3,651,501.70/2,019.13
  6. Step 6: Final answer
    x = 1,808.46

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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.