Home / 3,647.04-5,470.24-1,181.20

Finding the Fourth Proportional to 3,647.04, 5,470.24 and 1,181.20

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Solution

The fourth proportional to 3,647.04, 5,470.24 and 1,181.20 is: 1,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.04 : 5,470.24 = 1,181.20 : x
  2. Step 2: Convert to fraction form
    3,647.04/5,470.24 = 1,181.20/x
  3. Step 3: Cross multiply
    3,647.04x = 5,470.24 × 1,181.20
  4. Step 4: Simplify right side
    3,647.04x = 6,461,447.49
  5. Step 5: Solve for x
    x = 6,461,447.49/3,647.04
  6. Step 6: Final answer
    x = 1,771.70

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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.