Home / 1,370.52-2,043.90-1,297.62

Finding the Fourth Proportional to 1,370.52, 2,043.90 and 1,297.62

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Solution

The fourth proportional to 1,370.52, 2,043.90 and 1,297.62 is: 1,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.52 : 2,043.90 = 1,297.62 : x
  2. Step 2: Convert to fraction form
    1,370.52/2,043.90 = 1,297.62/x
  3. Step 3: Cross multiply
    1,370.52x = 2,043.90 × 1,297.62
  4. Step 4: Simplify right side
    1,370.52x = 2,652,205.52
  5. Step 5: Solve for x
    x = 2,652,205.52/1,370.52
  6. Step 6: Final answer
    x = 1,935.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.