Home / 3,670.18-5,503.22-1,477.78

Finding the Fourth Proportional to 3,670.18, 5,503.22 and 1,477.78

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Solution

The fourth proportional to 3,670.18, 5,503.22 and 1,477.78 is: 2,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.18 : 5,503.22 = 1,477.78 : x
  2. Step 2: Convert to fraction form
    3,670.18/5,503.22 = 1,477.78/x
  3. Step 3: Cross multiply
    3,670.18x = 5,503.22 × 1,477.78
  4. Step 4: Simplify right side
    3,670.18x = 8,132,548.45
  5. Step 5: Solve for x
    x = 8,132,548.45/3,670.18
  6. Step 6: Final answer
    x = 2,215.84

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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.