Home / 1,857.04-2,785.69-624.44

Finding the Fourth Proportional to 1,857.04, 2,785.69 and 624.44

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Solution

The fourth proportional to 1,857.04, 2,785.69 and 624.44 is: 936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.04 : 2,785.69 = 624.44 : x
  2. Step 2: Convert to fraction form
    1,857.04/2,785.69 = 624.44/x
  3. Step 3: Cross multiply
    1,857.04x = 2,785.69 × 624.44
  4. Step 4: Simplify right side
    1,857.04x = 1,739,496.26
  5. Step 5: Solve for x
    x = 1,739,496.26/1,857.04
  6. Step 6: Final answer
    x = 936.70

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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.