Home / 4,065.48-5,605.92-2,646.55

Finding the Fourth Proportional to 4,065.48, 5,605.92 and 2,646.55

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Solution

The fourth proportional to 4,065.48, 5,605.92 and 2,646.55 is: 3,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.48 : 5,605.92 = 2,646.55 : x
  2. Step 2: Convert to fraction form
    4,065.48/5,605.92 = 2,646.55/x
  3. Step 3: Cross multiply
    4,065.48x = 5,605.92 × 2,646.55
  4. Step 4: Simplify right side
    4,065.48x = 14,836,361.27
  5. Step 5: Solve for x
    x = 14,836,361.27/4,065.48
  6. Step 6: Final answer
    x = 3,649.35

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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.