Home / 3,477.94-5,215.54-1,285.17

Finding the Fourth Proportional to 3,477.94, 5,215.54 and 1,285.17

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Solution

The fourth proportional to 3,477.94, 5,215.54 and 1,285.17 is: 1,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.94 : 5,215.54 = 1,285.17 : x
  2. Step 2: Convert to fraction form
    3,477.94/5,215.54 = 1,285.17/x
  3. Step 3: Cross multiply
    3,477.94x = 5,215.54 × 1,285.17
  4. Step 4: Simplify right side
    3,477.94x = 6,702,835.18
  5. Step 5: Solve for x
    x = 6,702,835.18/3,477.94
  6. Step 6: Final answer
    x = 1,927.24

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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.