Home / 2,173.79-3,000.31-1,334.94

Finding the Fourth Proportional to 2,173.79, 3,000.31 and 1,334.94

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Solution

The fourth proportional to 2,173.79, 3,000.31 and 1,334.94 is: 1,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.79 : 3,000.31 = 1,334.94 : x
  2. Step 2: Convert to fraction form
    2,173.79/3,000.31 = 1,334.94/x
  3. Step 3: Cross multiply
    2,173.79x = 3,000.31 × 1,334.94
  4. Step 4: Simplify right side
    2,173.79x = 4,005,219.24
  5. Step 5: Solve for x
    x = 4,005,219.24/2,173.79
  6. Step 6: Final answer
    x = 1,842.50

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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.