Home / 2,188.92-3,022.55-2,030.64

Finding the Fourth Proportional to 2,188.92, 3,022.55 and 2,030.64

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Solution

The fourth proportional to 2,188.92, 3,022.55 and 2,030.64 is: 2,803.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.92 : 3,022.55 = 2,030.64 : x
  2. Step 2: Convert to fraction form
    2,188.92/3,022.55 = 2,030.64/x
  3. Step 3: Cross multiply
    2,188.92x = 3,022.55 × 2,030.64
  4. Step 4: Simplify right side
    2,188.92x = 6,137,710.93
  5. Step 5: Solve for x
    x = 6,137,710.93/2,188.92
  6. Step 6: Final answer
    x = 2,803.99

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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.