Home / 2,555.51-3,526.66-1,996.63

Finding the Fourth Proportional to 2,555.51, 3,526.66 and 1,996.63

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Solution

The fourth proportional to 2,555.51, 3,526.66 and 1,996.63 is: 2,755.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.51 : 3,526.66 = 1,996.63 : x
  2. Step 2: Convert to fraction form
    2,555.51/3,526.66 = 1,996.63/x
  3. Step 3: Cross multiply
    2,555.51x = 3,526.66 × 1,996.63
  4. Step 4: Simplify right side
    2,555.51x = 7,041,425.17
  5. Step 5: Solve for x
    x = 7,041,425.17/2,555.51
  6. Step 6: Final answer
    x = 2,755.39

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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.