Home / 2,572.24-3,857.88-1,254.67

Finding the Fourth Proportional to 2,572.24, 3,857.88 and 1,254.67

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Solution

The fourth proportional to 2,572.24, 3,857.88 and 1,254.67 is: 1,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.24 : 3,857.88 = 1,254.67 : x
  2. Step 2: Convert to fraction form
    2,572.24/3,857.88 = 1,254.67/x
  3. Step 3: Cross multiply
    2,572.24x = 3,857.88 × 1,254.67
  4. Step 4: Simplify right side
    2,572.24x = 4,840,366.30
  5. Step 5: Solve for x
    x = 4,840,366.30/2,572.24
  6. Step 6: Final answer
    x = 1,881.77

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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.