Home / 2,285.40-3,428.12-554.04

Finding the Fourth Proportional to 2,285.40, 3,428.12 and 554.04

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Solution

The fourth proportional to 2,285.40, 3,428.12 and 554.04 is: 831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.40 : 3,428.12 = 554.04 : x
  2. Step 2: Convert to fraction form
    2,285.40/3,428.12 = 554.04/x
  3. Step 3: Cross multiply
    2,285.40x = 3,428.12 × 554.04
  4. Step 4: Simplify right side
    2,285.40x = 1,899,315.60
  5. Step 5: Solve for x
    x = 1,899,315.60/2,285.40
  6. Step 6: Final answer
    x = 831.06

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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.