Home / 1,512.12-2,268.12-416.46

Finding the Fourth Proportional to 1,512.12, 2,268.12 and 416.46

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Solution

The fourth proportional to 1,512.12, 2,268.12 and 416.46 is: 624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.12 : 2,268.12 = 416.46 : x
  2. Step 2: Convert to fraction form
    1,512.12/2,268.12 = 416.46/x
  3. Step 3: Cross multiply
    1,512.12x = 2,268.12 × 416.46
  4. Step 4: Simplify right side
    1,512.12x = 944,581.26
  5. Step 5: Solve for x
    x = 944,581.26/1,512.12
  6. Step 6: Final answer
    x = 624.67

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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.