Home / 3,860.47-5,327.48-2,266.70

Finding the Fourth Proportional to 3,860.47, 5,327.48 and 2,266.70

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Solution

The fourth proportional to 3,860.47, 5,327.48 and 2,266.70 is: 3,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.47 : 5,327.48 = 2,266.70 : x
  2. Step 2: Convert to fraction form
    3,860.47/5,327.48 = 2,266.70/x
  3. Step 3: Cross multiply
    3,860.47x = 5,327.48 × 2,266.70
  4. Step 4: Simplify right side
    3,860.47x = 12,075,787.58
  5. Step 5: Solve for x
    x = 12,075,787.58/3,860.47
  6. Step 6: Final answer
    x = 3,128.07

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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.