Home / 3,095.90-4,272.40-1,698.64

Finding the Fourth Proportional to 3,095.90, 4,272.40 and 1,698.64

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Solution

The fourth proportional to 3,095.90, 4,272.40 and 1,698.64 is: 2,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.90 : 4,272.40 = 1,698.64 : x
  2. Step 2: Convert to fraction form
    3,095.90/4,272.40 = 1,698.64/x
  3. Step 3: Cross multiply
    3,095.90x = 4,272.40 × 1,698.64
  4. Step 4: Simplify right side
    3,095.90x = 7,257,269.54
  5. Step 5: Solve for x
    x = 7,257,269.54/3,095.90
  6. Step 6: Final answer
    x = 2,344.16

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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.