Home / 1,824.82-2,515.53-1,431.16

Finding the Fourth Proportional to 1,824.82, 2,515.53 and 1,431.16

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Solution

The fourth proportional to 1,824.82, 2,515.53 and 1,431.16 is: 1,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.82 : 2,515.53 = 1,431.16 : x
  2. Step 2: Convert to fraction form
    1,824.82/2,515.53 = 1,431.16/x
  3. Step 3: Cross multiply
    1,824.82x = 2,515.53 × 1,431.16
  4. Step 4: Simplify right side
    1,824.82x = 3,600,125.91
  5. Step 5: Solve for x
    x = 3,600,125.91/1,824.82
  6. Step 6: Final answer
    x = 1,972.87

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1.5x scale

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.