Home / 3,153.96-4,352.58-1,827.36

Finding the Fourth Proportional to 3,153.96, 4,352.58 and 1,827.36

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Solution

The fourth proportional to 3,153.96, 4,352.58 and 1,827.36 is: 2,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.96 : 4,352.58 = 1,827.36 : x
  2. Step 2: Convert to fraction form
    3,153.96/4,352.58 = 1,827.36/x
  3. Step 3: Cross multiply
    3,153.96x = 4,352.58 × 1,827.36
  4. Step 4: Simplify right side
    3,153.96x = 7,953,730.59
  5. Step 5: Solve for x
    x = 7,953,730.59/3,153.96
  6. Step 6: Final answer
    x = 2,521.82

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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.