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Finding the Fourth Proportional to 1,496.71, 2,065.47 and 833.55

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Solution

The fourth proportional to 1,496.71, 2,065.47 and 833.55 is: 1,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.71 : 2,065.47 = 833.55 : x
  2. Step 2: Convert to fraction form
    1,496.71/2,065.47 = 833.55/x
  3. Step 3: Cross multiply
    1,496.71x = 2,065.47 × 833.55
  4. Step 4: Simplify right side
    1,496.71x = 1,721,668.35
  5. Step 5: Solve for x
    x = 1,721,668.35/1,496.71
  6. Step 6: Final answer
    x = 1,150.30

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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.