Home / 3,271.33-4,904.23-1,421.05

Finding the Fourth Proportional to 3,271.33, 4,904.23 and 1,421.05

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Solution

The fourth proportional to 3,271.33, 4,904.23 and 1,421.05 is: 2,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.33 : 4,904.23 = 1,421.05 : x
  2. Step 2: Convert to fraction form
    3,271.33/4,904.23 = 1,421.05/x
  3. Step 3: Cross multiply
    3,271.33x = 4,904.23 × 1,421.05
  4. Step 4: Simplify right side
    3,271.33x = 6,969,156.04
  5. Step 5: Solve for x
    x = 6,969,156.04/3,271.33
  6. Step 6: Final answer
    x = 2,130.37

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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.