Home / 2,940.09-4,057.18-1,613.77

Finding the Fourth Proportional to 2,940.09, 4,057.18 and 1,613.77

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Solution

The fourth proportional to 2,940.09, 4,057.18 and 1,613.77 is: 2,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.09 : 4,057.18 = 1,613.77 : x
  2. Step 2: Convert to fraction form
    2,940.09/4,057.18 = 1,613.77/x
  3. Step 3: Cross multiply
    2,940.09x = 4,057.18 × 1,613.77
  4. Step 4: Simplify right side
    2,940.09x = 6,547,355.37
  5. Step 5: Solve for x
    x = 6,547,355.37/2,940.09
  6. Step 6: Final answer
    x = 2,226.92

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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.