Home / 3,555.52-5,334.08-1,247.04

Finding the Fourth Proportional to 3,555.52, 5,334.08 and 1,247.04

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Solution

The fourth proportional to 3,555.52, 5,334.08 and 1,247.04 is: 1,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.52 : 5,334.08 = 1,247.04 : x
  2. Step 2: Convert to fraction form
    3,555.52/5,334.08 = 1,247.04/x
  3. Step 3: Cross multiply
    3,555.52x = 5,334.08 × 1,247.04
  4. Step 4: Simplify right side
    3,555.52x = 6,651,811.12
  5. Step 5: Solve for x
    x = 6,651,811.12/3,555.52
  6. Step 6: Final answer
    x = 1,870.84

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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.