Home / 2,177.36-3,266.16-716.96

Finding the Fourth Proportional to 2,177.36, 3,266.16 and 716.96

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Solution

The fourth proportional to 2,177.36, 3,266.16 and 716.96 is: 1,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.36 : 3,266.16 = 716.96 : x
  2. Step 2: Convert to fraction form
    2,177.36/3,266.16 = 716.96/x
  3. Step 3: Cross multiply
    2,177.36x = 3,266.16 × 716.96
  4. Step 4: Simplify right side
    2,177.36x = 2,341,706.07
  5. Step 5: Solve for x
    x = 2,341,706.07/2,177.36
  6. Step 6: Final answer
    x = 1,075.48

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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.