Home / 2,940.06-4,057.14-1,613.74

Finding the Fourth Proportional to 2,940.06, 4,057.14 and 1,613.74

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Solution

The fourth proportional to 2,940.06, 4,057.14 and 1,613.74 is: 2,226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.06 : 4,057.14 = 1,613.74 : x
  2. Step 2: Convert to fraction form
    2,940.06/4,057.14 = 1,613.74/x
  3. Step 3: Cross multiply
    2,940.06x = 4,057.14 × 1,613.74
  4. Step 4: Simplify right side
    2,940.06x = 6,547,148.82
  5. Step 5: Solve for x
    x = 6,547,148.82/2,940.06
  6. Step 6: Final answer
    x = 2,226.88

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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.