Home / 1,857.83-2,563.74-1,018.53

Finding the Fourth Proportional to 1,857.83, 2,563.74 and 1,018.53

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Solution

The fourth proportional to 1,857.83, 2,563.74 and 1,018.53 is: 1,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.83 : 2,563.74 = 1,018.53 : x
  2. Step 2: Convert to fraction form
    1,857.83/2,563.74 = 1,018.53/x
  3. Step 3: Cross multiply
    1,857.83x = 2,563.74 × 1,018.53
  4. Step 4: Simplify right side
    1,857.83x = 2,611,246.10
  5. Step 5: Solve for x
    x = 2,611,246.10/1,857.83
  6. Step 6: Final answer
    x = 1,405.54

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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.