Home / 2,749.88-4,124.84-802.10

Finding the Fourth Proportional to 2,749.88, 4,124.84 and 802.10

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Solution

The fourth proportional to 2,749.88, 4,124.84 and 802.10 is: 1,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.88 : 4,124.84 = 802.10 : x
  2. Step 2: Convert to fraction form
    2,749.88/4,124.84 = 802.10/x
  3. Step 3: Cross multiply
    2,749.88x = 4,124.84 × 802.10
  4. Step 4: Simplify right side
    2,749.88x = 3,308,509.53
  5. Step 5: Solve for x
    x = 3,308,509.53/2,749.88
  6. Step 6: Final answer
    x = 1,203.15

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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.