Home / 1,858.24-2,563.95-1,112.05

Finding the Fourth Proportional to 1,858.24, 2,563.95 and 1,112.05

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Solution

The fourth proportional to 1,858.24, 2,563.95 and 1,112.05 is: 1,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.24 : 2,563.95 = 1,112.05 : x
  2. Step 2: Convert to fraction form
    1,858.24/2,563.95 = 1,112.05/x
  3. Step 3: Cross multiply
    1,858.24x = 2,563.95 × 1,112.05
  4. Step 4: Simplify right side
    1,858.24x = 2,851,240.60
  5. Step 5: Solve for x
    x = 2,851,240.60/1,858.24
  6. Step 6: Final answer
    x = 1,534.38

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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.