Home / 4,014.40-5,537.28-2,420.32

Finding the Fourth Proportional to 4,014.40, 5,537.28 and 2,420.32

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Solution

The fourth proportional to 4,014.40, 5,537.28 and 2,420.32 is: 3,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,014.40 : 5,537.28 = 2,420.32 : x
  2. Step 2: Convert to fraction form
    4,014.40/5,537.28 = 2,420.32/x
  3. Step 3: Cross multiply
    4,014.40x = 5,537.28 × 2,420.32
  4. Step 4: Simplify right side
    4,014.40x = 13,401,989.53
  5. Step 5: Solve for x
    x = 13,401,989.53/4,014.40
  6. Step 6: Final answer
    x = 3,338.48

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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.