Home / 3,153.45-4,352.18-1,809.59

Finding the Fourth Proportional to 3,153.45, 4,352.18 and 1,809.59

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Solution

The fourth proportional to 3,153.45, 4,352.18 and 1,809.59 is: 2,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.45 : 4,352.18 = 1,809.59 : x
  2. Step 2: Convert to fraction form
    3,153.45/4,352.18 = 1,809.59/x
  3. Step 3: Cross multiply
    3,153.45x = 4,352.18 × 1,809.59
  4. Step 4: Simplify right side
    3,153.45x = 7,875,661.41
  5. Step 5: Solve for x
    x = 7,875,661.41/3,153.45
  6. Step 6: Final answer
    x = 2,497.47

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1.5x scale

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.