Home / 3,705.06-5,114.16-2,586

Finding the Fourth Proportional to 3,705.06, 5,114.16 and 2,586

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Solution

The fourth proportional to 3,705.06, 5,114.16 and 2,586 is: 3,569.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.06 : 5,114.16 = 2,586 : x
  2. Step 2: Convert to fraction form
    3,705.06/5,114.16 = 2,586/x
  3. Step 3: Cross multiply
    3,705.06x = 5,114.16 × 2,586
  4. Step 4: Simplify right side
    3,705.06x = 13,225,217.76
  5. Step 5: Solve for x
    x = 13,225,217.76/3,705.06
  6. Step 6: Final answer
    x = 3,569.50

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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.