Home / 2,957.29-4,081.07-1,762.09

Finding the Fourth Proportional to 2,957.29, 4,081.07 and 1,762.09

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Solution

The fourth proportional to 2,957.29, 4,081.07 and 1,762.09 is: 2,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.29 : 4,081.07 = 1,762.09 : x
  2. Step 2: Convert to fraction form
    2,957.29/4,081.07 = 1,762.09/x
  3. Step 3: Cross multiply
    2,957.29x = 4,081.07 × 1,762.09
  4. Step 4: Simplify right side
    2,957.29x = 7,191,203.83
  5. Step 5: Solve for x
    x = 7,191,203.83/2,957.29
  6. Step 6: Final answer
    x = 2,431.69

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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.