Home / 2,953.09-4,075.14-1,608.72

Finding the Fourth Proportional to 2,953.09, 4,075.14 and 1,608.72

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Solution

The fourth proportional to 2,953.09, 4,075.14 and 1,608.72 is: 2,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.09 : 4,075.14 = 1,608.72 : x
  2. Step 2: Convert to fraction form
    2,953.09/4,075.14 = 1,608.72/x
  3. Step 3: Cross multiply
    2,953.09x = 4,075.14 × 1,608.72
  4. Step 4: Simplify right side
    2,953.09x = 6,555,759.22
  5. Step 5: Solve for x
    x = 6,555,759.22/2,953.09
  6. Step 6: Final answer
    x = 2,219.97

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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.