Home / 2,173.12-2,998.56-1,584.32

Finding the Fourth Proportional to 2,173.12, 2,998.56 and 1,584.32

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Solution

The fourth proportional to 2,173.12, 2,998.56 and 1,584.32 is: 2,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.12 : 2,998.56 = 1,584.32 : x
  2. Step 2: Convert to fraction form
    2,173.12/2,998.56 = 1,584.32/x
  3. Step 3: Cross multiply
    2,173.12x = 2,998.56 × 1,584.32
  4. Step 4: Simplify right side
    2,173.12x = 4,750,678.58
  5. Step 5: Solve for x
    x = 4,750,678.58/2,173.12
  6. Step 6: Final answer
    x = 2,186.11

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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.