Home / 1,630.32-2,248.20-1,334.64

Finding the Fourth Proportional to 1,630.32, 2,248.20 and 1,334.64

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Solution

The fourth proportional to 1,630.32, 2,248.20 and 1,334.64 is: 1,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.32 : 2,248.20 = 1,334.64 : x
  2. Step 2: Convert to fraction form
    1,630.32/2,248.20 = 1,334.64/x
  3. Step 3: Cross multiply
    1,630.32x = 2,248.20 × 1,334.64
  4. Step 4: Simplify right side
    1,630.32x = 3,000,537.65
  5. Step 5: Solve for x
    x = 3,000,537.65/1,630.32
  6. Step 6: Final answer
    x = 1,840.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.