Home / 1,526.45-2,106.49-827.82

Finding the Fourth Proportional to 1,526.45, 2,106.49 and 827.82

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Solution

The fourth proportional to 1,526.45, 2,106.49 and 827.82 is: 1,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.45 : 2,106.49 = 827.82 : x
  2. Step 2: Convert to fraction form
    1,526.45/2,106.49 = 827.82/x
  3. Step 3: Cross multiply
    1,526.45x = 2,106.49 × 827.82
  4. Step 4: Simplify right side
    1,526.45x = 1,743,790.41
  5. Step 5: Solve for x
    x = 1,743,790.41/1,526.45
  6. Step 6: Final answer
    x = 1,142.39

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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.