Home / 1,858.88-2,564.20-1,528.85

Finding the Fourth Proportional to 1,858.88, 2,564.20 and 1,528.85

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Solution

The fourth proportional to 1,858.88, 2,564.20 and 1,528.85 is: 2,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.88 : 2,564.20 = 1,528.85 : x
  2. Step 2: Convert to fraction form
    1,858.88/2,564.20 = 1,528.85/x
  3. Step 3: Cross multiply
    1,858.88x = 2,564.20 × 1,528.85
  4. Step 4: Simplify right side
    1,858.88x = 3,920,277.17
  5. Step 5: Solve for x
    x = 3,920,277.17/1,858.88
  6. Step 6: Final answer
    x = 2,108.95

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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.