Home / 3,346.98-4,621-2,152.50

Finding the Fourth Proportional to 3,346.98, 4,621 and 2,152.50

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Solution

The fourth proportional to 3,346.98, 4,621 and 2,152.50 is: 2,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346.98 : 4,621 = 2,152.50 : x
  2. Step 2: Convert to fraction form
    3,346.98/4,621 = 2,152.50/x
  3. Step 3: Cross multiply
    3,346.98x = 4,621 × 2,152.50
  4. Step 4: Simplify right side
    3,346.98x = 9,946,702.50
  5. Step 5: Solve for x
    x = 9,946,702.50/3,346.98
  6. Step 6: Final answer
    x = 2,971.84

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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.