Home / 3,853.06-5,776.80-2,289.35

Finding the Fourth Proportional to 3,853.06, 5,776.80 and 2,289.35

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Solution

The fourth proportional to 3,853.06, 5,776.80 and 2,289.35 is: 3,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.06 : 5,776.80 = 2,289.35 : x
  2. Step 2: Convert to fraction form
    3,853.06/5,776.80 = 2,289.35/x
  3. Step 3: Cross multiply
    3,853.06x = 5,776.80 × 2,289.35
  4. Step 4: Simplify right side
    3,853.06x = 13,225,117.08
  5. Step 5: Solve for x
    x = 13,225,117.08/3,853.06
  6. Step 6: Final answer
    x = 3,432.37

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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.