Home / 2,008.55-3,008.70-1,778.04

Finding the Fourth Proportional to 2,008.55, 3,008.70 and 1,778.04

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Solution

The fourth proportional to 2,008.55, 3,008.70 and 1,778.04 is: 2,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.55 : 3,008.70 = 1,778.04 : x
  2. Step 2: Convert to fraction form
    2,008.55/3,008.70 = 1,778.04/x
  3. Step 3: Cross multiply
    2,008.55x = 3,008.70 × 1,778.04
  4. Step 4: Simplify right side
    2,008.55x = 5,349,588.95
  5. Step 5: Solve for x
    x = 5,349,588.95/2,008.55
  6. Step 6: Final answer
    x = 2,663.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.