Home / 2,266.36-3,127.80-1,521.87

Finding the Fourth Proportional to 2,266.36, 3,127.80 and 1,521.87

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Solution

The fourth proportional to 2,266.36, 3,127.80 and 1,521.87 is: 2,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.36 : 3,127.80 = 1,521.87 : x
  2. Step 2: Convert to fraction form
    2,266.36/3,127.80 = 1,521.87/x
  3. Step 3: Cross multiply
    2,266.36x = 3,127.80 × 1,521.87
  4. Step 4: Simplify right side
    2,266.36x = 4,760,090.40
  5. Step 5: Solve for x
    x = 4,760,090.40/2,266.36
  6. Step 6: Final answer
    x = 2,100.33

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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.