Home / 2,220.01-3,064.64-1,381.86

Finding the Fourth Proportional to 2,220.01, 3,064.64 and 1,381.86

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Solution

The fourth proportional to 2,220.01, 3,064.64 and 1,381.86 is: 1,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.01 : 3,064.64 = 1,381.86 : x
  2. Step 2: Convert to fraction form
    2,220.01/3,064.64 = 1,381.86/x
  3. Step 3: Cross multiply
    2,220.01x = 3,064.64 × 1,381.86
  4. Step 4: Simplify right side
    2,220.01x = 4,234,896.52
  5. Step 5: Solve for x
    x = 4,234,896.52/2,220.01
  6. Step 6: Final answer
    x = 1,907.60

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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.