Home / 2,572.30-3,857.64-1,477.18

Finding the Fourth Proportional to 2,572.30, 3,857.64 and 1,477.18

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Solution

The fourth proportional to 2,572.30, 3,857.64 and 1,477.18 is: 2,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.30 : 3,857.64 = 1,477.18 : x
  2. Step 2: Convert to fraction form
    2,572.30/3,857.64 = 1,477.18/x
  3. Step 3: Cross multiply
    2,572.30x = 3,857.64 × 1,477.18
  4. Step 4: Simplify right side
    2,572.30x = 5,698,428.66
  5. Step 5: Solve for x
    x = 5,698,428.66/2,572.30
  6. Step 6: Final answer
    x = 2,215.30

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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.