Home / 2,264.47-3,394.68-1,440.43

Finding the Fourth Proportional to 2,264.47, 3,394.68 and 1,440.43

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Solution

The fourth proportional to 2,264.47, 3,394.68 and 1,440.43 is: 2,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.47 : 3,394.68 = 1,440.43 : x
  2. Step 2: Convert to fraction form
    2,264.47/3,394.68 = 1,440.43/x
  3. Step 3: Cross multiply
    2,264.47x = 3,394.68 × 1,440.43
  4. Step 4: Simplify right side
    2,264.47x = 4,889,798.91
  5. Step 5: Solve for x
    x = 4,889,798.91/2,264.47
  6. Step 6: Final answer
    x = 2,159.36

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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.