Home / 2,983.68-4,116.48-1,804.32

Finding the Fourth Proportional to 2,983.68, 4,116.48 and 1,804.32

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Solution

The fourth proportional to 2,983.68, 4,116.48 and 1,804.32 is: 2,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.68 : 4,116.48 = 1,804.32 : x
  2. Step 2: Convert to fraction form
    2,983.68/4,116.48 = 1,804.32/x
  3. Step 3: Cross multiply
    2,983.68x = 4,116.48 × 1,804.32
  4. Step 4: Simplify right side
    2,983.68x = 7,427,447.19
  5. Step 5: Solve for x
    x = 7,427,447.19/2,983.68
  6. Step 6: Final answer
    x = 2,489.36

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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.