Home / 2,285.07-3,427.61-2,106.74

Finding the Fourth Proportional to 2,285.07, 3,427.61 and 2,106.74

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Solution

The fourth proportional to 2,285.07, 3,427.61 and 2,106.74 is: 3,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.07 : 3,427.61 = 2,106.74 : x
  2. Step 2: Convert to fraction form
    2,285.07/3,427.61 = 2,106.74/x
  3. Step 3: Cross multiply
    2,285.07x = 3,427.61 × 2,106.74
  4. Step 4: Simplify right side
    2,285.07x = 7,221,055.42
  5. Step 5: Solve for x
    x = 7,221,055.42/2,285.07
  6. Step 6: Final answer
    x = 3,160.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.