Home / 1,904.95-2,857.44-606.43

Finding the Fourth Proportional to 1,904.95, 2,857.44 and 606.43

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Solution

The fourth proportional to 1,904.95, 2,857.44 and 606.43 is: 909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.95 : 2,857.44 = 606.43 : x
  2. Step 2: Convert to fraction form
    1,904.95/2,857.44 = 606.43/x
  3. Step 3: Cross multiply
    1,904.95x = 2,857.44 × 606.43
  4. Step 4: Simplify right side
    1,904.95x = 1,732,837.34
  5. Step 5: Solve for x
    x = 1,732,837.34/1,904.95
  6. Step 6: Final answer
    x = 909.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.