Home / 2,628.65-3,628.67-1,881.32

Finding the Fourth Proportional to 2,628.65, 3,628.67 and 1,881.32

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Solution

The fourth proportional to 2,628.65, 3,628.67 and 1,881.32 is: 2,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.65 : 3,628.67 = 1,881.32 : x
  2. Step 2: Convert to fraction form
    2,628.65/3,628.67 = 1,881.32/x
  3. Step 3: Cross multiply
    2,628.65x = 3,628.67 × 1,881.32
  4. Step 4: Simplify right side
    2,628.65x = 6,826,661.89
  5. Step 5: Solve for x
    x = 6,826,661.89/2,628.65
  6. Step 6: Final answer
    x = 2,597.03

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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.