Home / 2,802.21-4,199.04-1,339.35

Finding the Fourth Proportional to 2,802.21, 4,199.04 and 1,339.35

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Solution

The fourth proportional to 2,802.21, 4,199.04 and 1,339.35 is: 2,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.21 : 4,199.04 = 1,339.35 : x
  2. Step 2: Convert to fraction form
    2,802.21/4,199.04 = 1,339.35/x
  3. Step 3: Cross multiply
    2,802.21x = 4,199.04 × 1,339.35
  4. Step 4: Simplify right side
    2,802.21x = 5,623,984.22
  5. Step 5: Solve for x
    x = 5,623,984.22/2,802.21
  6. Step 6: Final answer
    x = 2,006.98

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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.