Home / 1,935.60-2,900.52-1,869.36

Finding the Fourth Proportional to 1,935.60, 2,900.52 and 1,869.36

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Solution

The fourth proportional to 1,935.60, 2,900.52 and 1,869.36 is: 2,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.60 : 2,900.52 = 1,869.36 : x
  2. Step 2: Convert to fraction form
    1,935.60/2,900.52 = 1,869.36/x
  3. Step 3: Cross multiply
    1,935.60x = 2,900.52 × 1,869.36
  4. Step 4: Simplify right side
    1,935.60x = 5,422,116.07
  5. Step 5: Solve for x
    x = 5,422,116.07/1,935.60
  6. Step 6: Final answer
    x = 2,801.26

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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.