Home / 3,900.01-5,848.70-1,266.82

Finding the Fourth Proportional to 3,900.01, 5,848.70 and 1,266.82

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Solution

The fourth proportional to 3,900.01, 5,848.70 and 1,266.82 is: 1,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.01 : 5,848.70 = 1,266.82 : x
  2. Step 2: Convert to fraction form
    3,900.01/5,848.70 = 1,266.82/x
  3. Step 3: Cross multiply
    3,900.01x = 5,848.70 × 1,266.82
  4. Step 4: Simplify right side
    3,900.01x = 7,409,250.13
  5. Step 5: Solve for x
    x = 7,409,250.13/3,900.01
  6. Step 6: Final answer
    x = 1,899.80

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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.