Home / 3,133.56-4,323.90-1,807.32

Finding the Fourth Proportional to 3,133.56, 4,323.90 and 1,807.32

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Solution

The fourth proportional to 3,133.56, 4,323.90 and 1,807.32 is: 2,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.56 : 4,323.90 = 1,807.32 : x
  2. Step 2: Convert to fraction form
    3,133.56/4,323.90 = 1,807.32/x
  3. Step 3: Cross multiply
    3,133.56x = 4,323.90 × 1,807.32
  4. Step 4: Simplify right side
    3,133.56x = 7,814,670.95
  5. Step 5: Solve for x
    x = 7,814,670.95/3,133.56
  6. Step 6: Final answer
    x = 2,493.86

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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.