Home / 1,465.29-2,026.62-1,440.68

Finding the Fourth Proportional to 1,465.29, 2,026.62 and 1,440.68

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Solution

The fourth proportional to 1,465.29, 2,026.62 and 1,440.68 is: 1,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.29 : 2,026.62 = 1,440.68 : x
  2. Step 2: Convert to fraction form
    1,465.29/2,026.62 = 1,440.68/x
  3. Step 3: Cross multiply
    1,465.29x = 2,026.62 × 1,440.68
  4. Step 4: Simplify right side
    1,465.29x = 2,919,700.77
  5. Step 5: Solve for x
    x = 2,919,700.77/1,465.29
  6. Step 6: Final answer
    x = 1,992.58

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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.