Home / 3,064.41-4,228.22-1,805.00

Finding the Fourth Proportional to 3,064.41, 4,228.22 and 1,805.00

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Solution

The fourth proportional to 3,064.41, 4,228.22 and 1,805.00 is: 2,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.41 : 4,228.22 = 1,805.00 : x
  2. Step 2: Convert to fraction form
    3,064.41/4,228.22 = 1,805.00/x
  3. Step 3: Cross multiply
    3,064.41x = 4,228.22 × 1,805.00
  4. Step 4: Simplify right side
    3,064.41x = 7,631,915.96
  5. Step 5: Solve for x
    x = 7,631,915.96/3,064.41
  6. Step 6: Final answer
    x = 2,490.50

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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.