Home / 2,323.79-3,485.68-1,155.24

Finding the Fourth Proportional to 2,323.79, 3,485.68 and 1,155.24

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Solution

The fourth proportional to 2,323.79, 3,485.68 and 1,155.24 is: 1,732.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.79 : 3,485.68 = 1,155.24 : x
  2. Step 2: Convert to fraction form
    2,323.79/3,485.68 = 1,155.24/x
  3. Step 3: Cross multiply
    2,323.79x = 3,485.68 × 1,155.24
  4. Step 4: Simplify right side
    2,323.79x = 4,026,794.08
  5. Step 5: Solve for x
    x = 4,026,794.08/2,323.79
  6. Step 6: Final answer
    x = 1,732.86

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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.