Home / 2,409.93-3,320.87-1,569.69

Finding the Fourth Proportional to 2,409.93, 3,320.87 and 1,569.69

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Solution

The fourth proportional to 2,409.93, 3,320.87 and 1,569.69 is: 2,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.93 : 3,320.87 = 1,569.69 : x
  2. Step 2: Convert to fraction form
    2,409.93/3,320.87 = 1,569.69/x
  3. Step 3: Cross multiply
    2,409.93x = 3,320.87 × 1,569.69
  4. Step 4: Simplify right side
    2,409.93x = 5,212,728.58
  5. Step 5: Solve for x
    x = 5,212,728.58/2,409.93
  6. Step 6: Final answer
    x = 2,163.02

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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.