Home / 2,022.17-2,789.08-1,785.70

Finding the Fourth Proportional to 2,022.17, 2,789.08 and 1,785.70

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Solution

The fourth proportional to 2,022.17, 2,789.08 and 1,785.70 is: 2,462.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.17 : 2,789.08 = 1,785.70 : x
  2. Step 2: Convert to fraction form
    2,022.17/2,789.08 = 1,785.70/x
  3. Step 3: Cross multiply
    2,022.17x = 2,789.08 × 1,785.70
  4. Step 4: Simplify right side
    2,022.17x = 4,980,460.16
  5. Step 5: Solve for x
    x = 4,980,460.16/2,022.17
  6. Step 6: Final answer
    x = 2,462.93

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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.