Home / 4,098.98-5,655.39-2,420.53

Finding the Fourth Proportional to 4,098.98, 5,655.39 and 2,420.53

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Solution

The fourth proportional to 4,098.98, 5,655.39 and 2,420.53 is: 3,339.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.98 : 5,655.39 = 2,420.53 : x
  2. Step 2: Convert to fraction form
    4,098.98/5,655.39 = 2,420.53/x
  3. Step 3: Cross multiply
    4,098.98x = 5,655.39 × 2,420.53
  4. Step 4: Simplify right side
    4,098.98x = 13,689,017.94
  5. Step 5: Solve for x
    x = 13,689,017.94/4,098.98
  6. Step 6: Final answer
    x = 3,339.61

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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.