Home / 2,295.72-3,426.60-2,128.44

Finding the Fourth Proportional to 2,295.72, 3,426.60 and 2,128.44

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Solution

The fourth proportional to 2,295.72, 3,426.60 and 2,128.44 is: 3,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.72 : 3,426.60 = 2,128.44 : x
  2. Step 2: Convert to fraction form
    2,295.72/3,426.60 = 2,128.44/x
  3. Step 3: Cross multiply
    2,295.72x = 3,426.60 × 2,128.44
  4. Step 4: Simplify right side
    2,295.72x = 7,293,312.50
  5. Step 5: Solve for x
    x = 7,293,312.50/2,295.72
  6. Step 6: Final answer
    x = 3,176.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.