Home / 3,618.81-5,428.24-1,770.06

Finding the Fourth Proportional to 3,618.81, 5,428.24 and 1,770.06

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Solution

The fourth proportional to 3,618.81, 5,428.24 and 1,770.06 is: 2,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.81 : 5,428.24 = 1,770.06 : x
  2. Step 2: Convert to fraction form
    3,618.81/5,428.24 = 1,770.06/x
  3. Step 3: Cross multiply
    3,618.81x = 5,428.24 × 1,770.06
  4. Step 4: Simplify right side
    3,618.81x = 9,608,285.71
  5. Step 5: Solve for x
    x = 9,608,285.71/3,618.81
  6. Step 6: Final answer
    x = 2,655.09

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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.