Home / 3,347.21-4,617.06-2,153.75

Finding the Fourth Proportional to 3,347.21, 4,617.06 and 2,153.75

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Solution

The fourth proportional to 3,347.21, 4,617.06 and 2,153.75 is: 2,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.21 : 4,617.06 = 2,153.75 : x
  2. Step 2: Convert to fraction form
    3,347.21/4,617.06 = 2,153.75/x
  3. Step 3: Cross multiply
    3,347.21x = 4,617.06 × 2,153.75
  4. Step 4: Simplify right side
    3,347.21x = 9,943,961.81
  5. Step 5: Solve for x
    x = 9,943,961.81/3,347.21
  6. Step 6: Final answer
    x = 2,970.83

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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.