Home / 2,320.90-3,203.46-1,436.20

Finding the Fourth Proportional to 2,320.90, 3,203.46 and 1,436.20

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Solution

The fourth proportional to 2,320.90, 3,203.46 and 1,436.20 is: 1,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.90 : 3,203.46 = 1,436.20 : x
  2. Step 2: Convert to fraction form
    2,320.90/3,203.46 = 1,436.20/x
  3. Step 3: Cross multiply
    2,320.90x = 3,203.46 × 1,436.20
  4. Step 4: Simplify right side
    2,320.90x = 4,600,802.07
  5. Step 5: Solve for x
    x = 4,600,802.07/2,320.90
  6. Step 6: Final answer
    x = 1,982.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.