Home / 3,605.66-4,972.93-2,486.34

Finding the Fourth Proportional to 3,605.66, 4,972.93 and 2,486.34

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Solution

The fourth proportional to 3,605.66, 4,972.93 and 2,486.34 is: 3,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.66 : 4,972.93 = 2,486.34 : x
  2. Step 2: Convert to fraction form
    3,605.66/4,972.93 = 2,486.34/x
  3. Step 3: Cross multiply
    3,605.66x = 4,972.93 × 2,486.34
  4. Step 4: Simplify right side
    3,605.66x = 12,364,394.78
  5. Step 5: Solve for x
    x = 12,364,394.78/3,605.66
  6. Step 6: Final answer
    x = 3,429.16

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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.