Home / 2,776.08-3,829.64-1,656.28

Finding the Fourth Proportional to 2,776.08, 3,829.64 and 1,656.28

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Solution

The fourth proportional to 2,776.08, 3,829.64 and 1,656.28 is: 2,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.08 : 3,829.64 = 1,656.28 : x
  2. Step 2: Convert to fraction form
    2,776.08/3,829.64 = 1,656.28/x
  3. Step 3: Cross multiply
    2,776.08x = 3,829.64 × 1,656.28
  4. Step 4: Simplify right side
    2,776.08x = 6,342,956.14
  5. Step 5: Solve for x
    x = 6,342,956.14/2,776.08
  6. Step 6: Final answer
    x = 2,284.86

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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.