Home / 4,080.84-5,631.14-2,312.60

Finding the Fourth Proportional to 4,080.84, 5,631.14 and 2,312.60

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Solution

The fourth proportional to 4,080.84, 5,631.14 and 2,312.60 is: 3,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.84 : 5,631.14 = 2,312.60 : x
  2. Step 2: Convert to fraction form
    4,080.84/5,631.14 = 2,312.60/x
  3. Step 3: Cross multiply
    4,080.84x = 5,631.14 × 2,312.60
  4. Step 4: Simplify right side
    4,080.84x = 13,022,574.36
  5. Step 5: Solve for x
    x = 13,022,574.36/4,080.84
  6. Step 6: Final answer
    x = 3,191.15

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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.