Home / 2,006.51-2,769.05-1,122.47

Finding the Fourth Proportional to 2,006.51, 2,769.05 and 1,122.47

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Solution

The fourth proportional to 2,006.51, 2,769.05 and 1,122.47 is: 1,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.51 : 2,769.05 = 1,122.47 : x
  2. Step 2: Convert to fraction form
    2,006.51/2,769.05 = 1,122.47/x
  3. Step 3: Cross multiply
    2,006.51x = 2,769.05 × 1,122.47
  4. Step 4: Simplify right side
    2,006.51x = 3,108,175.55
  5. Step 5: Solve for x
    x = 3,108,175.55/2,006.51
  6. Step 6: Final answer
    x = 1,549.05

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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.