Home / 2,802.85-3,867.93-1,624.60

Finding the Fourth Proportional to 2,802.85, 3,867.93 and 1,624.60

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Solution

The fourth proportional to 2,802.85, 3,867.93 and 1,624.60 is: 2,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.85 : 3,867.93 = 1,624.60 : x
  2. Step 2: Convert to fraction form
    2,802.85/3,867.93 = 1,624.60/x
  3. Step 3: Cross multiply
    2,802.85x = 3,867.93 × 1,624.60
  4. Step 4: Simplify right side
    2,802.85x = 6,283,821.29
  5. Step 5: Solve for x
    x = 6,283,821.29/2,802.85
  6. Step 6: Final answer
    x = 2,241.94

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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.