Home / 2,812.25-3,880.58-1,750.18

Finding the Fourth Proportional to 2,812.25, 3,880.58 and 1,750.18

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Solution

The fourth proportional to 2,812.25, 3,880.58 and 1,750.18 is: 2,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.25 : 3,880.58 = 1,750.18 : x
  2. Step 2: Convert to fraction form
    2,812.25/3,880.58 = 1,750.18/x
  3. Step 3: Cross multiply
    2,812.25x = 3,880.58 × 1,750.18
  4. Step 4: Simplify right side
    2,812.25x = 6,791,713.50
  5. Step 5: Solve for x
    x = 6,791,713.50/2,812.25
  6. Step 6: Final answer
    x = 2,415.05

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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.