Home / 3,021.12-4,521.96-1,558.28

Finding the Fourth Proportional to 3,021.12, 4,521.96 and 1,558.28

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Solution

The fourth proportional to 3,021.12, 4,521.96 and 1,558.28 is: 2,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.12 : 4,521.96 = 1,558.28 : x
  2. Step 2: Convert to fraction form
    3,021.12/4,521.96 = 1,558.28/x
  3. Step 3: Cross multiply
    3,021.12x = 4,521.96 × 1,558.28
  4. Step 4: Simplify right side
    3,021.12x = 7,046,479.83
  5. Step 5: Solve for x
    x = 7,046,479.83/3,021.12
  6. Step 6: Final answer
    x = 2,332.41

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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.