Home / 2,776.16-3,827.40-2,302.28

Finding the Fourth Proportional to 2,776.16, 3,827.40 and 2,302.28

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Solution

The fourth proportional to 2,776.16, 3,827.40 and 2,302.28 is: 3,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.16 : 3,827.40 = 2,302.28 : x
  2. Step 2: Convert to fraction form
    2,776.16/3,827.40 = 2,302.28/x
  3. Step 3: Cross multiply
    2,776.16x = 3,827.40 × 2,302.28
  4. Step 4: Simplify right side
    2,776.16x = 8,811,746.47
  5. Step 5: Solve for x
    x = 8,811,746.47/2,776.16
  6. Step 6: Final answer
    x = 3,174.08

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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.