Home / 2,983.09-4,117.20-1,804.13

Finding the Fourth Proportional to 2,983.09, 4,117.20 and 1,804.13

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Solution

The fourth proportional to 2,983.09, 4,117.20 and 1,804.13 is: 2,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.09 : 4,117.20 = 1,804.13 : x
  2. Step 2: Convert to fraction form
    2,983.09/4,117.20 = 1,804.13/x
  3. Step 3: Cross multiply
    2,983.09x = 4,117.20 × 1,804.13
  4. Step 4: Simplify right side
    2,983.09x = 7,427,964.04
  5. Step 5: Solve for x
    x = 7,427,964.04/2,983.09
  6. Step 6: Final answer
    x = 2,490.02

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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.