Home / 3,060.40-4,222.62-1,801.51

Finding the Fourth Proportional to 3,060.40, 4,222.62 and 1,801.51

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Solution

The fourth proportional to 3,060.40, 4,222.62 and 1,801.51 is: 2,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.40 : 4,222.62 = 1,801.51 : x
  2. Step 2: Convert to fraction form
    3,060.40/4,222.62 = 1,801.51/x
  3. Step 3: Cross multiply
    3,060.40x = 4,222.62 × 1,801.51
  4. Step 4: Simplify right side
    3,060.40x = 7,607,092.16
  5. Step 5: Solve for x
    x = 7,607,092.16/3,060.40
  6. Step 6: Final answer
    x = 2,485.65

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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.