Home / 2,563.51-3,536.78-1,555.57

Finding the Fourth Proportional to 2,563.51, 3,536.78 and 1,555.57

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Solution

The fourth proportional to 2,563.51, 3,536.78 and 1,555.57 is: 2,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.51 : 3,536.78 = 1,555.57 : x
  2. Step 2: Convert to fraction form
    2,563.51/3,536.78 = 1,555.57/x
  3. Step 3: Cross multiply
    2,563.51x = 3,536.78 × 1,555.57
  4. Step 4: Simplify right side
    2,563.51x = 5,501,691.18
  5. Step 5: Solve for x
    x = 5,501,691.18/2,563.51
  6. Step 6: Final answer
    x = 2,146.16

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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.