Home / 3,125.66-4,706.69-2,309.63

Finding the Fourth Proportional to 3,125.66, 4,706.69 and 2,309.63

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Solution

The fourth proportional to 3,125.66, 4,706.69 and 2,309.63 is: 3,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.66 : 4,706.69 = 2,309.63 : x
  2. Step 2: Convert to fraction form
    3,125.66/4,706.69 = 2,309.63/x
  3. Step 3: Cross multiply
    3,125.66x = 4,706.69 × 2,309.63
  4. Step 4: Simplify right side
    3,125.66x = 10,870,677.34
  5. Step 5: Solve for x
    x = 10,870,677.34/3,125.66
  6. Step 6: Final answer
    x = 3,477.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.