Home / 2,771.04-3,823.07-1,776.87

Finding the Fourth Proportional to 2,771.04, 3,823.07 and 1,776.87

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Solution

The fourth proportional to 2,771.04, 3,823.07 and 1,776.87 is: 2,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.04 : 3,823.07 = 1,776.87 : x
  2. Step 2: Convert to fraction form
    2,771.04/3,823.07 = 1,776.87/x
  3. Step 3: Cross multiply
    2,771.04x = 3,823.07 × 1,776.87
  4. Step 4: Simplify right side
    2,771.04x = 6,793,089.51
  5. Step 5: Solve for x
    x = 6,793,089.51/2,771.04
  6. Step 6: Final answer
    x = 2,451.46

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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.