Home / 2,235.64-3,350.72-1,621.46

Finding the Fourth Proportional to 2,235.64, 3,350.72 and 1,621.46

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Solution

The fourth proportional to 2,235.64, 3,350.72 and 1,621.46 is: 2,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.64 : 3,350.72 = 1,621.46 : x
  2. Step 2: Convert to fraction form
    2,235.64/3,350.72 = 1,621.46/x
  3. Step 3: Cross multiply
    2,235.64x = 3,350.72 × 1,621.46
  4. Step 4: Simplify right side
    2,235.64x = 5,433,058.45
  5. Step 5: Solve for x
    x = 5,433,058.45/2,235.64
  6. Step 6: Final answer
    x = 2,430.20

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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.