Home / 1,837.12-2,534.96-1,009.12

Finding the Fourth Proportional to 1,837.12, 2,534.96 and 1,009.12

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Solution

The fourth proportional to 1,837.12, 2,534.96 and 1,009.12 is: 1,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.12 : 2,534.96 = 1,009.12 : x
  2. Step 2: Convert to fraction form
    1,837.12/2,534.96 = 1,009.12/x
  3. Step 3: Cross multiply
    1,837.12x = 2,534.96 × 1,009.12
  4. Step 4: Simplify right side
    1,837.12x = 2,558,078.84
  5. Step 5: Solve for x
    x = 2,558,078.84/1,837.12
  6. Step 6: Final answer
    x = 1,392.44

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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.