Home / 1,858.13-2,564.10-1,112.11

Finding the Fourth Proportional to 1,858.13, 2,564.10 and 1,112.11

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Solution

The fourth proportional to 1,858.13, 2,564.10 and 1,112.11 is: 1,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.13 : 2,564.10 = 1,112.11 : x
  2. Step 2: Convert to fraction form
    1,858.13/2,564.10 = 1,112.11/x
  3. Step 3: Cross multiply
    1,858.13x = 2,564.10 × 1,112.11
  4. Step 4: Simplify right side
    1,858.13x = 2,851,561.25
  5. Step 5: Solve for x
    x = 2,851,561.25/1,858.13
  6. Step 6: Final answer
    x = 1,534.64

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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.