Home / 3,127.01-4,315.80-1,800.44

Finding the Fourth Proportional to 3,127.01, 4,315.80 and 1,800.44

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Solution

The fourth proportional to 3,127.01, 4,315.80 and 1,800.44 is: 2,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.01 : 4,315.80 = 1,800.44 : x
  2. Step 2: Convert to fraction form
    3,127.01/4,315.80 = 1,800.44/x
  3. Step 3: Cross multiply
    3,127.01x = 4,315.80 × 1,800.44
  4. Step 4: Simplify right side
    3,127.01x = 7,770,317.37
  5. Step 5: Solve for x
    x = 7,770,317.37/3,127.01
  6. Step 6: Final answer
    x = 2,484.91

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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.