Home / 1,508.63-2,091.55-1,455.17

Finding the Fourth Proportional to 1,508.63, 2,091.55 and 1,455.17

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Solution

The fourth proportional to 1,508.63, 2,091.55 and 1,455.17 is: 2,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.63 : 2,091.55 = 1,455.17 : x
  2. Step 2: Convert to fraction form
    1,508.63/2,091.55 = 1,455.17/x
  3. Step 3: Cross multiply
    1,508.63x = 2,091.55 × 1,455.17
  4. Step 4: Simplify right side
    1,508.63x = 3,043,560.81
  5. Step 5: Solve for x
    x = 3,043,560.81/1,508.63
  6. Step 6: Final answer
    x = 2,017.43

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.