Home / 4,188.95-5,780.75-2,325.95

Finding the Fourth Proportional to 4,188.95, 5,780.75 and 2,325.95

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Solution

The fourth proportional to 4,188.95, 5,780.75 and 2,325.95 is: 3,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.95 : 5,780.75 = 2,325.95 : x
  2. Step 2: Convert to fraction form
    4,188.95/5,780.75 = 2,325.95/x
  3. Step 3: Cross multiply
    4,188.95x = 5,780.75 × 2,325.95
  4. Step 4: Simplify right side
    4,188.95x = 13,445,694.93
  5. Step 5: Solve for x
    x = 13,445,694.93/4,188.95
  6. Step 6: Final answer
    x = 3,209.80

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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.