Home / 3,036.30-4,556.24-1,281.20

Finding the Fourth Proportional to 3,036.30, 4,556.24 and 1,281.20

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Solution

The fourth proportional to 3,036.30, 4,556.24 and 1,281.20 is: 1,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.30 : 4,556.24 = 1,281.20 : x
  2. Step 2: Convert to fraction form
    3,036.30/4,556.24 = 1,281.20/x
  3. Step 3: Cross multiply
    3,036.30x = 4,556.24 × 1,281.20
  4. Step 4: Simplify right side
    3,036.30x = 5,837,425.50
  5. Step 5: Solve for x
    x = 5,837,425.50/3,036.30
  6. Step 6: Final answer
    x = 1,922.55

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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.