Home / 3,036.45-4,554.54-845.13

Finding the Fourth Proportional to 3,036.45, 4,554.54 and 845.13

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Solution

The fourth proportional to 3,036.45, 4,554.54 and 845.13 is: 1,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.45 : 4,554.54 = 845.13 : x
  2. Step 2: Convert to fraction form
    3,036.45/4,554.54 = 845.13/x
  3. Step 3: Cross multiply
    3,036.45x = 4,554.54 × 845.13
  4. Step 4: Simplify right side
    3,036.45x = 3,849,195.47
  5. Step 5: Solve for x
    x = 3,849,195.47/3,036.45
  6. Step 6: Final answer
    x = 1,267.66

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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.