Home / 2,801.08-3,866.34-1,622.44

Finding the Fourth Proportional to 2,801.08, 3,866.34 and 1,622.44

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Solution

The fourth proportional to 2,801.08, 3,866.34 and 1,622.44 is: 2,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.08 : 3,866.34 = 1,622.44 : x
  2. Step 2: Convert to fraction form
    2,801.08/3,866.34 = 1,622.44/x
  3. Step 3: Cross multiply
    2,801.08x = 3,866.34 × 1,622.44
  4. Step 4: Simplify right side
    2,801.08x = 6,272,904.67
  5. Step 5: Solve for x
    x = 6,272,904.67/2,801.08
  6. Step 6: Final answer
    x = 2,239.46

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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.