Home / 1,585.71-2,187.75-1,026.89

Finding the Fourth Proportional to 1,585.71, 2,187.75 and 1,026.89

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Solution

The fourth proportional to 1,585.71, 2,187.75 and 1,026.89 is: 1,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.71 : 2,187.75 = 1,026.89 : x
  2. Step 2: Convert to fraction form
    1,585.71/2,187.75 = 1,026.89/x
  3. Step 3: Cross multiply
    1,585.71x = 2,187.75 × 1,026.89
  4. Step 4: Simplify right side
    1,585.71x = 2,246,578.60
  5. Step 5: Solve for x
    x = 2,246,578.60/1,585.71
  6. Step 6: Final answer
    x = 1,416.77

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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.