Home / 2,953.20-4,075.65-1,627.14

Finding the Fourth Proportional to 2,953.20, 4,075.65 and 1,627.14

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Solution

The fourth proportional to 2,953.20, 4,075.65 and 1,627.14 is: 2,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.20 : 4,075.65 = 1,627.14 : x
  2. Step 2: Convert to fraction form
    2,953.20/4,075.65 = 1,627.14/x
  3. Step 3: Cross multiply
    2,953.20x = 4,075.65 × 1,627.14
  4. Step 4: Simplify right side
    2,953.20x = 6,631,668.42
  5. Step 5: Solve for x
    x = 6,631,668.42/2,953.20
  6. Step 6: Final answer
    x = 2,245.58

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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.