Home / 4,192.04-6,290.40-1,970.48

Finding the Fourth Proportional to 4,192.04, 6,290.40 and 1,970.48

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Solution

The fourth proportional to 4,192.04, 6,290.40 and 1,970.48 is: 2,956.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.04 : 6,290.40 = 1,970.48 : x
  2. Step 2: Convert to fraction form
    4,192.04/6,290.40 = 1,970.48/x
  3. Step 3: Cross multiply
    4,192.04x = 6,290.40 × 1,970.48
  4. Step 4: Simplify right side
    4,192.04x = 12,395,107.39
  5. Step 5: Solve for x
    x = 12,395,107.39/4,192.04
  6. Step 6: Final answer
    x = 2,956.82

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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.