Home / 2,615.58-3,923.37-1,075.74

Finding the Fourth Proportional to 2,615.58, 3,923.37 and 1,075.74

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Solution

The fourth proportional to 2,615.58, 3,923.37 and 1,075.74 is: 1,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.58 : 3,923.37 = 1,075.74 : x
  2. Step 2: Convert to fraction form
    2,615.58/3,923.37 = 1,075.74/x
  3. Step 3: Cross multiply
    2,615.58x = 3,923.37 × 1,075.74
  4. Step 4: Simplify right side
    2,615.58x = 4,220,526.04
  5. Step 5: Solve for x
    x = 4,220,526.04/2,615.58
  6. Step 6: Final answer
    x = 1,613.61

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.