Home / 2,655.12-3,665.58-1,772.22

Finding the Fourth Proportional to 2,655.12, 3,665.58 and 1,772.22

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Solution

The fourth proportional to 2,655.12, 3,665.58 and 1,772.22 is: 2,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.12 : 3,665.58 = 1,772.22 : x
  2. Step 2: Convert to fraction form
    2,655.12/3,665.58 = 1,772.22/x
  3. Step 3: Cross multiply
    2,655.12x = 3,665.58 × 1,772.22
  4. Step 4: Simplify right side
    2,655.12x = 6,496,214.19
  5. Step 5: Solve for x
    x = 6,496,214.19/2,655.12
  6. Step 6: Final answer
    x = 2,446.67

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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.