Home / 3,134.98-4,326.06-1,807.66

Finding the Fourth Proportional to 3,134.98, 4,326.06 and 1,807.66

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Solution

The fourth proportional to 3,134.98, 4,326.06 and 1,807.66 is: 2,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.98 : 4,326.06 = 1,807.66 : x
  2. Step 2: Convert to fraction form
    3,134.98/4,326.06 = 1,807.66/x
  3. Step 3: Cross multiply
    3,134.98x = 4,326.06 × 1,807.66
  4. Step 4: Simplify right side
    3,134.98x = 7,820,045.62
  5. Step 5: Solve for x
    x = 7,820,045.62/3,134.98
  6. Step 6: Final answer
    x = 2,494.45

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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.