Home / 2,931.12-4,044.74-1,604.61

Finding the Fourth Proportional to 2,931.12, 4,044.74 and 1,604.61

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Solution

The fourth proportional to 2,931.12, 4,044.74 and 1,604.61 is: 2,214.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.12 : 4,044.74 = 1,604.61 : x
  2. Step 2: Convert to fraction form
    2,931.12/4,044.74 = 1,604.61/x
  3. Step 3: Cross multiply
    2,931.12x = 4,044.74 × 1,604.61
  4. Step 4: Simplify right side
    2,931.12x = 6,490,222.23
  5. Step 5: Solve for x
    x = 6,490,222.23/2,931.12
  6. Step 6: Final answer
    x = 2,214.25

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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.