Home / 1,646.28-2,466.96-1,605.51

Finding the Fourth Proportional to 1,646.28, 2,466.96 and 1,605.51

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Solution

The fourth proportional to 1,646.28, 2,466.96 and 1,605.51 is: 2,405.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.28 : 2,466.96 = 1,605.51 : x
  2. Step 2: Convert to fraction form
    1,646.28/2,466.96 = 1,605.51/x
  3. Step 3: Cross multiply
    1,646.28x = 2,466.96 × 1,605.51
  4. Step 4: Simplify right side
    1,646.28x = 3,960,728.95
  5. Step 5: Solve for x
    x = 3,960,728.95/1,646.28
  6. Step 6: Final answer
    x = 2,405.87

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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.