Home / 2,080.56-2,872.48-1,582.32

Finding the Fourth Proportional to 2,080.56, 2,872.48 and 1,582.32

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Solution

The fourth proportional to 2,080.56, 2,872.48 and 1,582.32 is: 2,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.56 : 2,872.48 = 1,582.32 : x
  2. Step 2: Convert to fraction form
    2,080.56/2,872.48 = 1,582.32/x
  3. Step 3: Cross multiply
    2,080.56x = 2,872.48 × 1,582.32
  4. Step 4: Simplify right side
    2,080.56x = 4,545,182.55
  5. Step 5: Solve for x
    x = 4,545,182.55/2,080.56
  6. Step 6: Final answer
    x = 2,184.60

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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.