Home / 1,935.60-2,897.24-1,385.09

Finding the Fourth Proportional to 1,935.60, 2,897.24 and 1,385.09

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Solution

The fourth proportional to 1,935.60, 2,897.24 and 1,385.09 is: 2,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.60 : 2,897.24 = 1,385.09 : x
  2. Step 2: Convert to fraction form
    1,935.60/2,897.24 = 1,385.09/x
  3. Step 3: Cross multiply
    1,935.60x = 2,897.24 × 1,385.09
  4. Step 4: Simplify right side
    1,935.60x = 4,012,927.60
  5. Step 5: Solve for x
    x = 4,012,927.60/1,935.60
  6. Step 6: Final answer
    x = 2,073.23

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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.