Home / 2,160.56-2,967.22-1,810.64

Finding the Fourth Proportional to 2,160.56, 2,967.22 and 1,810.64

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Solution

The fourth proportional to 2,160.56, 2,967.22 and 1,810.64 is: 2,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.56 : 2,967.22 = 1,810.64 : x
  2. Step 2: Convert to fraction form
    2,160.56/2,967.22 = 1,810.64/x
  3. Step 3: Cross multiply
    2,160.56x = 2,967.22 × 1,810.64
  4. Step 4: Simplify right side
    2,160.56x = 5,372,567.22
  5. Step 5: Solve for x
    x = 5,372,567.22/2,160.56
  6. Step 6: Final answer
    x = 2,486.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.