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Finding the Fourth Proportional to 1,903.52, 2,858.25 and 1,810.91

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Solution

The fourth proportional to 1,903.52, 2,858.25 and 1,810.91 is: 2,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.52 : 2,858.25 = 1,810.91 : x
  2. Step 2: Convert to fraction form
    1,903.52/2,858.25 = 1,810.91/x
  3. Step 3: Cross multiply
    1,903.52x = 2,858.25 × 1,810.91
  4. Step 4: Simplify right side
    1,903.52x = 5,176,033.51
  5. Step 5: Solve for x
    x = 5,176,033.51/1,903.52
  6. Step 6: Final answer
    x = 2,719.19

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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.