Home / 1,858.11-2,564.10-1,112.46

Finding the Fourth Proportional to 1,858.11, 2,564.10 and 1,112.46

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Solution

The fourth proportional to 1,858.11, 2,564.10 and 1,112.46 is: 1,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.11 : 2,564.10 = 1,112.46 : x
  2. Step 2: Convert to fraction form
    1,858.11/2,564.10 = 1,112.46/x
  3. Step 3: Cross multiply
    1,858.11x = 2,564.10 × 1,112.46
  4. Step 4: Simplify right side
    1,858.11x = 2,852,458.69
  5. Step 5: Solve for x
    x = 2,852,458.69/1,858.11
  6. Step 6: Final answer
    x = 1,535.14

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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.