Home / 2,265.64-3,126.36-1,271.01

Finding the Fourth Proportional to 2,265.64, 3,126.36 and 1,271.01

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Solution

The fourth proportional to 2,265.64, 3,126.36 and 1,271.01 is: 1,753.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.64 : 3,126.36 = 1,271.01 : x
  2. Step 2: Convert to fraction form
    2,265.64/3,126.36 = 1,271.01/x
  3. Step 3: Cross multiply
    2,265.64x = 3,126.36 × 1,271.01
  4. Step 4: Simplify right side
    2,265.64x = 3,973,628.47
  5. Step 5: Solve for x
    x = 3,973,628.47/2,265.64
  6. Step 6: Final answer
    x = 1,753.87

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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.