Home / 4,080.17-6,120.26-1,888.31

Finding the Fourth Proportional to 4,080.17, 6,120.26 and 1,888.31

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Solution

The fourth proportional to 4,080.17, 6,120.26 and 1,888.31 is: 2,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.17 : 6,120.26 = 1,888.31 : x
  2. Step 2: Convert to fraction form
    4,080.17/6,120.26 = 1,888.31/x
  3. Step 3: Cross multiply
    4,080.17x = 6,120.26 × 1,888.31
  4. Step 4: Simplify right side
    4,080.17x = 11,556,961.10
  5. Step 5: Solve for x
    x = 11,556,961.10/4,080.17
  6. Step 6: Final answer
    x = 2,832.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.