Home / 3,747.12-5,623.18-1,555.84

Finding the Fourth Proportional to 3,747.12, 5,623.18 and 1,555.84

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Solution

The fourth proportional to 3,747.12, 5,623.18 and 1,555.84 is: 2,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.12 : 5,623.18 = 1,555.84 : x
  2. Step 2: Convert to fraction form
    3,747.12/5,623.18 = 1,555.84/x
  3. Step 3: Cross multiply
    3,747.12x = 5,623.18 × 1,555.84
  4. Step 4: Simplify right side
    3,747.12x = 8,748,768.37
  5. Step 5: Solve for x
    x = 8,748,768.37/3,747.12
  6. Step 6: Final answer
    x = 2,334.80

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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.