Home / 2,953.90-4,076.97-1,695.80

Finding the Fourth Proportional to 2,953.90, 4,076.97 and 1,695.80

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Solution

The fourth proportional to 2,953.90, 4,076.97 and 1,695.80 is: 2,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.90 : 4,076.97 = 1,695.80 : x
  2. Step 2: Convert to fraction form
    2,953.90/4,076.97 = 1,695.80/x
  3. Step 3: Cross multiply
    2,953.90x = 4,076.97 × 1,695.80
  4. Step 4: Simplify right side
    2,953.90x = 6,913,717.25
  5. Step 5: Solve for x
    x = 6,913,717.25/2,953.90
  6. Step 6: Final answer
    x = 2,340.54

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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.