Home / 1,874.56-2,588.80-1,455.36

Finding the Fourth Proportional to 1,874.56, 2,588.80 and 1,455.36

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Solution

The fourth proportional to 1,874.56, 2,588.80 and 1,455.36 is: 2,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.56 : 2,588.80 = 1,455.36 : x
  2. Step 2: Convert to fraction form
    1,874.56/2,588.80 = 1,455.36/x
  3. Step 3: Cross multiply
    1,874.56x = 2,588.80 × 1,455.36
  4. Step 4: Simplify right side
    1,874.56x = 3,767,635.97
  5. Step 5: Solve for x
    x = 3,767,635.97/1,874.56
  6. Step 6: Final answer
    x = 2,009.88

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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.