Home / 1,858.36-2,564.36-1,112.18

Finding the Fourth Proportional to 1,858.36, 2,564.36 and 1,112.18

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Solution

The fourth proportional to 1,858.36, 2,564.36 and 1,112.18 is: 1,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.36 : 2,564.36 = 1,112.18 : x
  2. Step 2: Convert to fraction form
    1,858.36/2,564.36 = 1,112.18/x
  3. Step 3: Cross multiply
    1,858.36x = 2,564.36 × 1,112.18
  4. Step 4: Simplify right side
    1,858.36x = 2,852,029.90
  5. Step 5: Solve for x
    x = 2,852,029.90/1,858.36
  6. Step 6: Final answer
    x = 1,534.70

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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.