Home / 2,285.23-3,428.13-804.11

Finding the Fourth Proportional to 2,285.23, 3,428.13 and 804.11

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Solution

The fourth proportional to 2,285.23, 3,428.13 and 804.11 is: 1,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.23 : 3,428.13 = 804.11 : x
  2. Step 2: Convert to fraction form
    2,285.23/3,428.13 = 804.11/x
  3. Step 3: Cross multiply
    2,285.23x = 3,428.13 × 804.11
  4. Step 4: Simplify right side
    2,285.23x = 2,756,580.12
  5. Step 5: Solve for x
    x = 2,756,580.12/2,285.23
  6. Step 6: Final answer
    x = 1,206.26

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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.