Home / 3,133.48-4,324.09-1,807.00

Finding the Fourth Proportional to 3,133.48, 4,324.09 and 1,807.00

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Solution

The fourth proportional to 3,133.48, 4,324.09 and 1,807.00 is: 2,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.48 : 4,324.09 = 1,807.00 : x
  2. Step 2: Convert to fraction form
    3,133.48/4,324.09 = 1,807.00/x
  3. Step 3: Cross multiply
    3,133.48x = 4,324.09 × 1,807.00
  4. Step 4: Simplify right side
    3,133.48x = 7,813,599.97
  5. Step 5: Solve for x
    x = 7,813,599.97/3,133.48
  6. Step 6: Final answer
    x = 2,493.59

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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.