Home / 2,531.66-3,491.81-1,859.26

Finding the Fourth Proportional to 2,531.66, 3,491.81 and 1,859.26

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Solution

The fourth proportional to 2,531.66, 3,491.81 and 1,859.26 is: 2,564.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.66 : 3,491.81 = 1,859.26 : x
  2. Step 2: Convert to fraction form
    2,531.66/3,491.81 = 1,859.26/x
  3. Step 3: Cross multiply
    2,531.66x = 3,491.81 × 1,859.26
  4. Step 4: Simplify right side
    2,531.66x = 6,492,155.91
  5. Step 5: Solve for x
    x = 6,492,155.91/2,531.66
  6. Step 6: Final answer
    x = 2,564.39

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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.