Home / 1,868.57-2,803.26-570.14

Finding the Fourth Proportional to 1,868.57, 2,803.26 and 570.14

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Solution

The fourth proportional to 1,868.57, 2,803.26 and 570.14 is: 855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.57 : 2,803.26 = 570.14 : x
  2. Step 2: Convert to fraction form
    1,868.57/2,803.26 = 570.14/x
  3. Step 3: Cross multiply
    1,868.57x = 2,803.26 × 570.14
  4. Step 4: Simplify right side
    1,868.57x = 1,598,250.66
  5. Step 5: Solve for x
    x = 1,598,250.66/1,868.57
  6. Step 6: Final answer
    x = 855.33

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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.