Home / 1,766.32-2,436.08-1,206.20

Finding the Fourth Proportional to 1,766.32, 2,436.08 and 1,206.20

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Solution

The fourth proportional to 1,766.32, 2,436.08 and 1,206.20 is: 1,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.32 : 2,436.08 = 1,206.20 : x
  2. Step 2: Convert to fraction form
    1,766.32/2,436.08 = 1,206.20/x
  3. Step 3: Cross multiply
    1,766.32x = 2,436.08 × 1,206.20
  4. Step 4: Simplify right side
    1,766.32x = 2,938,399.70
  5. Step 5: Solve for x
    x = 2,938,399.70/1,766.32
  6. Step 6: Final answer
    x = 1,663.57

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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.