Home / 3,154.47-4,350.61-2,775.54

Finding the Fourth Proportional to 3,154.47, 4,350.61 and 2,775.54

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Solution

The fourth proportional to 3,154.47, 4,350.61 and 2,775.54 is: 3,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.47 : 4,350.61 = 2,775.54 : x
  2. Step 2: Convert to fraction form
    3,154.47/4,350.61 = 2,775.54/x
  3. Step 3: Cross multiply
    3,154.47x = 4,350.61 × 2,775.54
  4. Step 4: Simplify right side
    3,154.47x = 12,075,299.63
  5. Step 5: Solve for x
    x = 12,075,299.63/3,154.47
  6. Step 6: Final answer
    x = 3,828.00

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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.