Home / 2,885.23-4,323.80-1,240.54

Finding the Fourth Proportional to 2,885.23, 4,323.80 and 1,240.54

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Solution

The fourth proportional to 2,885.23, 4,323.80 and 1,240.54 is: 1,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.23 : 4,323.80 = 1,240.54 : x
  2. Step 2: Convert to fraction form
    2,885.23/4,323.80 = 1,240.54/x
  3. Step 3: Cross multiply
    2,885.23x = 4,323.80 × 1,240.54
  4. Step 4: Simplify right side
    2,885.23x = 5,363,840.65
  5. Step 5: Solve for x
    x = 5,363,840.65/2,885.23
  6. Step 6: Final answer
    x = 1,859.07

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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.