Home / 2,412.72-3,329.04-1,853.80

Finding the Fourth Proportional to 2,412.72, 3,329.04 and 1,853.80

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Solution

The fourth proportional to 2,412.72, 3,329.04 and 1,853.80 is: 2,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.72 : 3,329.04 = 1,853.80 : x
  2. Step 2: Convert to fraction form
    2,412.72/3,329.04 = 1,853.80/x
  3. Step 3: Cross multiply
    2,412.72x = 3,329.04 × 1,853.80
  4. Step 4: Simplify right side
    2,412.72x = 6,171,374.35
  5. Step 5: Solve for x
    x = 6,171,374.35/2,412.72
  6. Step 6: Final answer
    x = 2,557.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.