Home / 2,802.60-4,203.89-1,337.31

Finding the Fourth Proportional to 2,802.60, 4,203.89 and 1,337.31

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Solution

The fourth proportional to 2,802.60, 4,203.89 and 1,337.31 is: 2,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.60 : 4,203.89 = 1,337.31 : x
  2. Step 2: Convert to fraction form
    2,802.60/4,203.89 = 1,337.31/x
  3. Step 3: Cross multiply
    2,802.60x = 4,203.89 × 1,337.31
  4. Step 4: Simplify right side
    2,802.60x = 5,621,898.70
  5. Step 5: Solve for x
    x = 5,621,898.70/2,802.60
  6. Step 6: Final answer
    x = 2,005.96

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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.