Home / 3,485.04-5,224.20-1,748.40

Finding the Fourth Proportional to 3,485.04, 5,224.20 and 1,748.40

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Solution

The fourth proportional to 3,485.04, 5,224.20 and 1,748.40 is: 2,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.04 : 5,224.20 = 1,748.40 : x
  2. Step 2: Convert to fraction form
    3,485.04/5,224.20 = 1,748.40/x
  3. Step 3: Cross multiply
    3,485.04x = 5,224.20 × 1,748.40
  4. Step 4: Simplify right side
    3,485.04x = 9,133,991.28
  5. Step 5: Solve for x
    x = 9,133,991.28/3,485.04
  6. Step 6: Final answer
    x = 2,620.91

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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.