Home / 1,822.12-2,516.74-1,809.32

Finding the Fourth Proportional to 1,822.12, 2,516.74 and 1,809.32

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Solution

The fourth proportional to 1,822.12, 2,516.74 and 1,809.32 is: 2,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.12 : 2,516.74 = 1,809.32 : x
  2. Step 2: Convert to fraction form
    1,822.12/2,516.74 = 1,809.32/x
  3. Step 3: Cross multiply
    1,822.12x = 2,516.74 × 1,809.32
  4. Step 4: Simplify right side
    1,822.12x = 4,553,588.02
  5. Step 5: Solve for x
    x = 4,553,588.02/1,822.12
  6. Step 6: Final answer
    x = 2,499.06

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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.