Home / 1,637.55-2,260.71-1,263.69

Finding the Fourth Proportional to 1,637.55, 2,260.71 and 1,263.69

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Solution

The fourth proportional to 1,637.55, 2,260.71 and 1,263.69 is: 1,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.55 : 2,260.71 = 1,263.69 : x
  2. Step 2: Convert to fraction form
    1,637.55/2,260.71 = 1,263.69/x
  3. Step 3: Cross multiply
    1,637.55x = 2,260.71 × 1,263.69
  4. Step 4: Simplify right side
    1,637.55x = 2,856,836.62
  5. Step 5: Solve for x
    x = 2,856,836.62/1,637.55
  6. Step 6: Final answer
    x = 1,744.58

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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.