Home / 1,245.49-1,869.45-950.23

Finding the Fourth Proportional to 1,245.49, 1,869.45 and 950.23

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Solution

The fourth proportional to 1,245.49, 1,869.45 and 950.23 is: 1,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245.49 : 1,869.45 = 950.23 : x
  2. Step 2: Convert to fraction form
    1,245.49/1,869.45 = 950.23/x
  3. Step 3: Cross multiply
    1,245.49x = 1,869.45 × 950.23
  4. Step 4: Simplify right side
    1,245.49x = 1,776,407.47
  5. Step 5: Solve for x
    x = 1,776,407.47/1,245.49
  6. Step 6: Final answer
    x = 1,426.27

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1.5x scale

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.