Home / 3,571.29-4,927.69-2,312.17

Finding the Fourth Proportional to 3,571.29, 4,927.69 and 2,312.17

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Solution

The fourth proportional to 3,571.29, 4,927.69 and 2,312.17 is: 3,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.29 : 4,927.69 = 2,312.17 : x
  2. Step 2: Convert to fraction form
    3,571.29/4,927.69 = 2,312.17/x
  3. Step 3: Cross multiply
    3,571.29x = 4,927.69 × 2,312.17
  4. Step 4: Simplify right side
    3,571.29x = 11,393,656.99
  5. Step 5: Solve for x
    x = 11,393,656.99/3,571.29
  6. Step 6: Final answer
    x = 3,190.35

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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.