Home / 2,953.55-4,075.67-1,627.07

Finding the Fourth Proportional to 2,953.55, 4,075.67 and 1,627.07

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Solution

The fourth proportional to 2,953.55, 4,075.67 and 1,627.07 is: 2,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.55 : 4,075.67 = 1,627.07 : x
  2. Step 2: Convert to fraction form
    2,953.55/4,075.67 = 1,627.07/x
  3. Step 3: Cross multiply
    2,953.55x = 4,075.67 × 1,627.07
  4. Step 4: Simplify right side
    2,953.55x = 6,631,371.87
  5. Step 5: Solve for x
    x = 6,631,371.87/2,953.55
  6. Step 6: Final answer
    x = 2,245.22

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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.