Home / 1,931.00-2,664.79-1,046.80

Finding the Fourth Proportional to 1,931.00, 2,664.79 and 1,046.80

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Solution

The fourth proportional to 1,931.00, 2,664.79 and 1,046.80 is: 1,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.00 : 2,664.79 = 1,046.80 : x
  2. Step 2: Convert to fraction form
    1,931.00/2,664.79 = 1,046.80/x
  3. Step 3: Cross multiply
    1,931.00x = 2,664.79 × 1,046.80
  4. Step 4: Simplify right side
    1,931.00x = 2,789,513.99
  5. Step 5: Solve for x
    x = 2,789,513.99/1,931.00
  6. Step 6: Final answer
    x = 1,444.60

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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.