Home / 2,275.55-3,395.48-2,136.23

Finding the Fourth Proportional to 2,275.55, 3,395.48 and 2,136.23

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Solution

The fourth proportional to 2,275.55, 3,395.48 and 2,136.23 is: 3,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.55 : 3,395.48 = 2,136.23 : x
  2. Step 2: Convert to fraction form
    2,275.55/3,395.48 = 2,136.23/x
  3. Step 3: Cross multiply
    2,275.55x = 3,395.48 × 2,136.23
  4. Step 4: Simplify right side
    2,275.55x = 7,253,526.24
  5. Step 5: Solve for x
    x = 7,253,526.24/2,275.55
  6. Step 6: Final answer
    x = 3,187.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.