Home / 1,637.26-2,259.83-1,106.30

Finding the Fourth Proportional to 1,637.26, 2,259.83 and 1,106.30

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Solution

The fourth proportional to 1,637.26, 2,259.83 and 1,106.30 is: 1,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.26 : 2,259.83 = 1,106.30 : x
  2. Step 2: Convert to fraction form
    1,637.26/2,259.83 = 1,106.30/x
  3. Step 3: Cross multiply
    1,637.26x = 2,259.83 × 1,106.30
  4. Step 4: Simplify right side
    1,637.26x = 2,500,049.93
  5. Step 5: Solve for x
    x = 2,500,049.93/1,637.26
  6. Step 6: Final answer
    x = 1,526.97

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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.