Home / 3,617.80-4,973.18-3,261.40

Finding the Fourth Proportional to 3,617.80, 4,973.18 and 3,261.40

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Solution

The fourth proportional to 3,617.80, 4,973.18 and 3,261.40 is: 4,483.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.80 : 4,973.18 = 3,261.40 : x
  2. Step 2: Convert to fraction form
    3,617.80/4,973.18 = 3,261.40/x
  3. Step 3: Cross multiply
    3,617.80x = 4,973.18 × 3,261.40
  4. Step 4: Simplify right side
    3,617.80x = 16,219,529.25
  5. Step 5: Solve for x
    x = 16,219,529.25/3,617.80
  6. Step 6: Final answer
    x = 4,483.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.