Home / 3,776.05-5,657.68-2,312.16

Finding the Fourth Proportional to 3,776.05, 5,657.68 and 2,312.16

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Solution

The fourth proportional to 3,776.05, 5,657.68 and 2,312.16 is: 3,464.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.05 : 5,657.68 = 2,312.16 : x
  2. Step 2: Convert to fraction form
    3,776.05/5,657.68 = 2,312.16/x
  3. Step 3: Cross multiply
    3,776.05x = 5,657.68 × 2,312.16
  4. Step 4: Simplify right side
    3,776.05x = 13,081,461.39
  5. Step 5: Solve for x
    x = 13,081,461.39/3,776.05
  6. Step 6: Final answer
    x = 3,464.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.