Home / 2,931.76-4,401.66-1,840.36

Finding the Fourth Proportional to 2,931.76, 4,401.66 and 1,840.36

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Solution

The fourth proportional to 2,931.76, 4,401.66 and 1,840.36 is: 2,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.76 : 4,401.66 = 1,840.36 : x
  2. Step 2: Convert to fraction form
    2,931.76/4,401.66 = 1,840.36/x
  3. Step 3: Cross multiply
    2,931.76x = 4,401.66 × 1,840.36
  4. Step 4: Simplify right side
    2,931.76x = 8,100,639.00
  5. Step 5: Solve for x
    x = 8,100,639.00/2,931.76
  6. Step 6: Final answer
    x = 2,763.06

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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.