Home / 1,965.96-2,946.24-1,531.08

Finding the Fourth Proportional to 1,965.96, 2,946.24 and 1,531.08

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Solution

The fourth proportional to 1,965.96, 2,946.24 and 1,531.08 is: 2,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.96 : 2,946.24 = 1,531.08 : x
  2. Step 2: Convert to fraction form
    1,965.96/2,946.24 = 1,531.08/x
  3. Step 3: Cross multiply
    1,965.96x = 2,946.24 × 1,531.08
  4. Step 4: Simplify right side
    1,965.96x = 4,510,929.14
  5. Step 5: Solve for x
    x = 4,510,929.14/1,965.96
  6. Step 6: Final answer
    x = 2,294.52

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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.