Home / 1,903.29-2,620.67-1,455.54

Finding the Fourth Proportional to 1,903.29, 2,620.67 and 1,455.54

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Solution

The fourth proportional to 1,903.29, 2,620.67 and 1,455.54 is: 2,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.29 : 2,620.67 = 1,455.54 : x
  2. Step 2: Convert to fraction form
    1,903.29/2,620.67 = 1,455.54/x
  3. Step 3: Cross multiply
    1,903.29x = 2,620.67 × 1,455.54
  4. Step 4: Simplify right side
    1,903.29x = 3,814,482.73
  5. Step 5: Solve for x
    x = 3,814,482.73/1,903.29
  6. Step 6: Final answer
    x = 2,004.15

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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.