Home / 2,801.43-4,199.21-1,045.67

Finding the Fourth Proportional to 2,801.43, 4,199.21 and 1,045.67

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Solution

The fourth proportional to 2,801.43, 4,199.21 and 1,045.67 is: 1,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.43 : 4,199.21 = 1,045.67 : x
  2. Step 2: Convert to fraction form
    2,801.43/4,199.21 = 1,045.67/x
  3. Step 3: Cross multiply
    2,801.43x = 4,199.21 × 1,045.67
  4. Step 4: Simplify right side
    2,801.43x = 4,390,987.92
  5. Step 5: Solve for x
    x = 4,390,987.92/2,801.43
  6. Step 6: Final answer
    x = 1,567.41

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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.