Home / 2,457.30-3,686.40-996.60

Finding the Fourth Proportional to 2,457.30, 3,686.40 and 996.60

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Solution

The fourth proportional to 2,457.30, 3,686.40 and 996.60 is: 1,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.30 : 3,686.40 = 996.60 : x
  2. Step 2: Convert to fraction form
    2,457.30/3,686.40 = 996.60/x
  3. Step 3: Cross multiply
    2,457.30x = 3,686.40 × 996.60
  4. Step 4: Simplify right side
    2,457.30x = 3,673,866.24
  5. Step 5: Solve for x
    x = 3,673,866.24/2,457.30
  6. Step 6: Final answer
    x = 1,495.08

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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.