Home / 4,188.81-5,780.56-2,325.81

Finding the Fourth Proportional to 4,188.81, 5,780.56 and 2,325.81

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Solution

The fourth proportional to 4,188.81, 5,780.56 and 2,325.81 is: 3,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.81 : 5,780.56 = 2,325.81 : x
  2. Step 2: Convert to fraction form
    4,188.81/5,780.56 = 2,325.81/x
  3. Step 3: Cross multiply
    4,188.81x = 5,780.56 × 2,325.81
  4. Step 4: Simplify right side
    4,188.81x = 13,444,484.25
  5. Step 5: Solve for x
    x = 13,444,484.25/4,188.81
  6. Step 6: Final answer
    x = 3,209.62

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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.