Home / 2,983.42-4,116.45-1,804.46

Finding the Fourth Proportional to 2,983.42, 4,116.45 and 1,804.46

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Solution

The fourth proportional to 2,983.42, 4,116.45 and 1,804.46 is: 2,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.42 : 4,116.45 = 1,804.46 : x
  2. Step 2: Convert to fraction form
    2,983.42/4,116.45 = 1,804.46/x
  3. Step 3: Cross multiply
    2,983.42x = 4,116.45 × 1,804.46
  4. Step 4: Simplify right side
    2,983.42x = 7,427,969.37
  5. Step 5: Solve for x
    x = 7,427,969.37/2,983.42
  6. Step 6: Final answer
    x = 2,489.75

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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.