Home / 2,077.40-2,867.84-1,628.48

Finding the Fourth Proportional to 2,077.40, 2,867.84 and 1,628.48

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Solution

The fourth proportional to 2,077.40, 2,867.84 and 1,628.48 is: 2,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.40 : 2,867.84 = 1,628.48 : x
  2. Step 2: Convert to fraction form
    2,077.40/2,867.84 = 1,628.48/x
  3. Step 3: Cross multiply
    2,077.40x = 2,867.84 × 1,628.48
  4. Step 4: Simplify right side
    2,077.40x = 4,670,220.08
  5. Step 5: Solve for x
    x = 4,670,220.08/2,077.40
  6. Step 6: Final answer
    x = 2,248.11

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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.