Home / 2,173.66-3,000.78-1,675.19

Finding the Fourth Proportional to 2,173.66, 3,000.78 and 1,675.19

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Solution

The fourth proportional to 2,173.66, 3,000.78 and 1,675.19 is: 2,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.66 : 3,000.78 = 1,675.19 : x
  2. Step 2: Convert to fraction form
    2,173.66/3,000.78 = 1,675.19/x
  3. Step 3: Cross multiply
    2,173.66x = 3,000.78 × 1,675.19
  4. Step 4: Simplify right side
    2,173.66x = 5,026,884.15
  5. Step 5: Solve for x
    x = 5,026,884.15/2,173.66
  6. Step 6: Final answer
    x = 2,312.64

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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.