Home / 2,802.10-4,203.15-1,630.90

Finding the Fourth Proportional to 2,802.10, 4,203.15 and 1,630.90

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Solution

The fourth proportional to 2,802.10, 4,203.15 and 1,630.90 is: 2,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.10 : 4,203.15 = 1,630.90 : x
  2. Step 2: Convert to fraction form
    2,802.10/4,203.15 = 1,630.90/x
  3. Step 3: Cross multiply
    2,802.10x = 4,203.15 × 1,630.90
  4. Step 4: Simplify right side
    2,802.10x = 6,854,917.34
  5. Step 5: Solve for x
    x = 6,854,917.34/2,802.10
  6. Step 6: Final answer
    x = 2,446.35

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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.