Home / 1,475.06-2,212.97-435.02

Finding the Fourth Proportional to 1,475.06, 2,212.97 and 435.02

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Solution

The fourth proportional to 1,475.06, 2,212.97 and 435.02 is: 652.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.06 : 2,212.97 = 435.02 : x
  2. Step 2: Convert to fraction form
    1,475.06/2,212.97 = 435.02/x
  3. Step 3: Cross multiply
    1,475.06x = 2,212.97 × 435.02
  4. Step 4: Simplify right side
    1,475.06x = 962,682.36
  5. Step 5: Solve for x
    x = 962,682.36/1,475.06
  6. Step 6: Final answer
    x = 652.64

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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.