Home / 1,528.52-2,107.78-1,373.52

Finding the Fourth Proportional to 1,528.52, 2,107.78 and 1,373.52

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Solution

The fourth proportional to 1,528.52, 2,107.78 and 1,373.52 is: 1,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.52 : 2,107.78 = 1,373.52 : x
  2. Step 2: Convert to fraction form
    1,528.52/2,107.78 = 1,373.52/x
  3. Step 3: Cross multiply
    1,528.52x = 2,107.78 × 1,373.52
  4. Step 4: Simplify right side
    1,528.52x = 2,895,077.99
  5. Step 5: Solve for x
    x = 2,895,077.99/1,528.52
  6. Step 6: Final answer
    x = 1,894.04

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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.