Home / 3,624.48-5,428.08-3,045.60

Finding the Fourth Proportional to 3,624.48, 5,428.08 and 3,045.60

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Solution

The fourth proportional to 3,624.48, 5,428.08 and 3,045.60 is: 4,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.48 : 5,428.08 = 3,045.60 : x
  2. Step 2: Convert to fraction form
    3,624.48/5,428.08 = 3,045.60/x
  3. Step 3: Cross multiply
    3,624.48x = 5,428.08 × 3,045.60
  4. Step 4: Simplify right side
    3,624.48x = 16,531,760.45
  5. Step 5: Solve for x
    x = 16,531,760.45/3,624.48
  6. Step 6: Final answer
    x = 4,561.14

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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.