Home / 3,391.61-4,702.08-3,271.32

Finding the Fourth Proportional to 3,391.61, 4,702.08 and 3,271.32

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Solution

The fourth proportional to 3,391.61, 4,702.08 and 3,271.32 is: 4,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.61 : 4,702.08 = 3,271.32 : x
  2. Step 2: Convert to fraction form
    3,391.61/4,702.08 = 3,271.32/x
  3. Step 3: Cross multiply
    3,391.61x = 4,702.08 × 3,271.32
  4. Step 4: Simplify right side
    3,391.61x = 15,382,020.61
  5. Step 5: Solve for x
    x = 15,382,020.61/3,391.61
  6. Step 6: Final answer
    x = 4,535.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.