Home / 2,409.44-3,320.16-1,569.20

Finding the Fourth Proportional to 2,409.44, 3,320.16 and 1,569.20

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Solution

The fourth proportional to 2,409.44, 3,320.16 and 1,569.20 is: 2,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.44 : 3,320.16 = 1,569.20 : x
  2. Step 2: Convert to fraction form
    2,409.44/3,320.16 = 1,569.20/x
  3. Step 3: Cross multiply
    2,409.44x = 3,320.16 × 1,569.20
  4. Step 4: Simplify right side
    2,409.44x = 5,209,995.07
  5. Step 5: Solve for x
    x = 5,209,995.07/2,409.44
  6. Step 6: Final answer
    x = 2,162.33

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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.