Home / 1,665.09-2,298.11-1,027.35

Finding the Fourth Proportional to 1,665.09, 2,298.11 and 1,027.35

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Solution

The fourth proportional to 1,665.09, 2,298.11 and 1,027.35 is: 1,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665.09 : 2,298.11 = 1,027.35 : x
  2. Step 2: Convert to fraction form
    1,665.09/2,298.11 = 1,027.35/x
  3. Step 3: Cross multiply
    1,665.09x = 2,298.11 × 1,027.35
  4. Step 4: Simplify right side
    1,665.09x = 2,360,958.17
  5. Step 5: Solve for x
    x = 2,360,958.17/1,665.09
  6. Step 6: Final answer
    x = 1,417.92

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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.