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Finding the Fourth Proportional to 3,477.50, 4,798.95 and 2,080.25

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Solution

The fourth proportional to 3,477.50, 4,798.95 and 2,080.25 is: 2,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.50 : 4,798.95 = 2,080.25 : x
  2. Step 2: Convert to fraction form
    3,477.50/4,798.95 = 2,080.25/x
  3. Step 3: Cross multiply
    3,477.50x = 4,798.95 × 2,080.25
  4. Step 4: Simplify right side
    3,477.50x = 9,983,015.74
  5. Step 5: Solve for x
    x = 9,983,015.74/3,477.50
  6. Step 6: Final answer
    x = 2,870.75

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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.