Home / 2,818.56-3,888.66-1,699.08

Finding the Fourth Proportional to 2,818.56, 3,888.66 and 1,699.08

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Solution

The fourth proportional to 2,818.56, 3,888.66 and 1,699.08 is: 2,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.56 : 3,888.66 = 1,699.08 : x
  2. Step 2: Convert to fraction form
    2,818.56/3,888.66 = 1,699.08/x
  3. Step 3: Cross multiply
    2,818.56x = 3,888.66 × 1,699.08
  4. Step 4: Simplify right side
    2,818.56x = 6,607,144.43
  5. Step 5: Solve for x
    x = 6,607,144.43/2,818.56
  6. Step 6: Final answer
    x = 2,344.16

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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.