Home / 2,285.55-3,428.33-554.18

Finding the Fourth Proportional to 2,285.55, 3,428.33 and 554.18

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Solution

The fourth proportional to 2,285.55, 3,428.33 and 554.18 is: 831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.55 : 3,428.33 = 554.18 : x
  2. Step 2: Convert to fraction form
    2,285.55/3,428.33 = 554.18/x
  3. Step 3: Cross multiply
    2,285.55x = 3,428.33 × 554.18
  4. Step 4: Simplify right side
    2,285.55x = 1,899,912.23
  5. Step 5: Solve for x
    x = 1,899,912.23/2,285.55
  6. Step 6: Final answer
    x = 831.27

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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.