Home / 3,182.40-4,392.80-1,924.16

Finding the Fourth Proportional to 3,182.40, 4,392.80 and 1,924.16

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Solution

The fourth proportional to 3,182.40, 4,392.80 and 1,924.16 is: 2,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.40 : 4,392.80 = 1,924.16 : x
  2. Step 2: Convert to fraction form
    3,182.40/4,392.80 = 1,924.16/x
  3. Step 3: Cross multiply
    3,182.40x = 4,392.80 × 1,924.16
  4. Step 4: Simplify right side
    3,182.40x = 8,452,450.05
  5. Step 5: Solve for x
    x = 8,452,450.05/3,182.40
  6. Step 6: Final answer
    x = 2,656.00

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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.