Home / 1,630.16-2,427.40-1,606.88

Finding the Fourth Proportional to 1,630.16, 2,427.40 and 1,606.88

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Solution

The fourth proportional to 1,630.16, 2,427.40 and 1,606.88 is: 2,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.16 : 2,427.40 = 1,606.88 : x
  2. Step 2: Convert to fraction form
    1,630.16/2,427.40 = 1,606.88/x
  3. Step 3: Cross multiply
    1,630.16x = 2,427.40 × 1,606.88
  4. Step 4: Simplify right side
    1,630.16x = 3,900,540.51
  5. Step 5: Solve for x
    x = 3,900,540.51/1,630.16
  6. Step 6: Final answer
    x = 2,392.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.