Home / 2,530.85-3,491.75-1,411.58

Finding the Fourth Proportional to 2,530.85, 3,491.75 and 1,411.58

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Solution

The fourth proportional to 2,530.85, 3,491.75 and 1,411.58 is: 1,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.85 : 3,491.75 = 1,411.58 : x
  2. Step 2: Convert to fraction form
    2,530.85/3,491.75 = 1,411.58/x
  3. Step 3: Cross multiply
    2,530.85x = 3,491.75 × 1,411.58
  4. Step 4: Simplify right side
    2,530.85x = 4,928,877.41
  5. Step 5: Solve for x
    x = 4,928,877.41/2,530.85
  6. Step 6: Final answer
    x = 1,947.52

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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.