Home / 1,858.85-2,788.36-1,036.50

Finding the Fourth Proportional to 1,858.85, 2,788.36 and 1,036.50

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Solution

The fourth proportional to 1,858.85, 2,788.36 and 1,036.50 is: 1,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.85 : 2,788.36 = 1,036.50 : x
  2. Step 2: Convert to fraction form
    1,858.85/2,788.36 = 1,036.50/x
  3. Step 3: Cross multiply
    1,858.85x = 2,788.36 × 1,036.50
  4. Step 4: Simplify right side
    1,858.85x = 2,890,135.14
  5. Step 5: Solve for x
    x = 2,890,135.14/1,858.85
  6. Step 6: Final answer
    x = 1,554.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.