Home / 3,431-5,153.40-2,047.04

Finding the Fourth Proportional to 3,431, 5,153.40 and 2,047.04

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Solution

The fourth proportional to 3,431, 5,153.40 and 2,047.04 is: 3,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431 : 5,153.40 = 2,047.04 : x
  2. Step 2: Convert to fraction form
    3,431/5,153.40 = 2,047.04/x
  3. Step 3: Cross multiply
    3,431x = 5,153.40 × 2,047.04
  4. Step 4: Simplify right side
    3,431x = 10,549,215.94
  5. Step 5: Solve for x
    x = 10,549,215.94/3,431
  6. Step 6: Final answer
    x = 3,074.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.