Home / 2,802.32-3,867.56-1,698.32

Finding the Fourth Proportional to 2,802.32, 3,867.56 and 1,698.32

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Solution

The fourth proportional to 2,802.32, 3,867.56 and 1,698.32 is: 2,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.32 : 3,867.56 = 1,698.32 : x
  2. Step 2: Convert to fraction form
    2,802.32/3,867.56 = 1,698.32/x
  3. Step 3: Cross multiply
    2,802.32x = 3,867.56 × 1,698.32
  4. Step 4: Simplify right side
    2,802.32x = 6,568,354.50
  5. Step 5: Solve for x
    x = 6,568,354.50/2,802.32
  6. Step 6: Final answer
    x = 2,343.90

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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.