Home / 4,080.53-5,630.90-2,312.10

Finding the Fourth Proportional to 4,080.53, 5,630.90 and 2,312.10

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Solution

The fourth proportional to 4,080.53, 5,630.90 and 2,312.10 is: 3,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.53 : 5,630.90 = 2,312.10 : x
  2. Step 2: Convert to fraction form
    4,080.53/5,630.90 = 2,312.10/x
  3. Step 3: Cross multiply
    4,080.53x = 5,630.90 × 2,312.10
  4. Step 4: Simplify right side
    4,080.53x = 13,019,192.33
  5. Step 5: Solve for x
    x = 13,019,192.33/4,080.53
  6. Step 6: Final answer
    x = 3,190.56

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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.