Home / 2,391.80-3,588.86-1,352.92

Finding the Fourth Proportional to 2,391.80, 3,588.86 and 1,352.92

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Solution

The fourth proportional to 2,391.80, 3,588.86 and 1,352.92 is: 2,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.80 : 3,588.86 = 1,352.92 : x
  2. Step 2: Convert to fraction form
    2,391.80/3,588.86 = 1,352.92/x
  3. Step 3: Cross multiply
    2,391.80x = 3,588.86 × 1,352.92
  4. Step 4: Simplify right side
    2,391.80x = 4,855,440.47
  5. Step 5: Solve for x
    x = 4,855,440.47/2,391.80
  6. Step 6: Final answer
    x = 2,030.04

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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.