Home / 1,674.95-2,313.38-1,577.75

Finding the Fourth Proportional to 1,674.95, 2,313.38 and 1,577.75

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Solution

The fourth proportional to 1,674.95, 2,313.38 and 1,577.75 is: 2,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.95 : 2,313.38 = 1,577.75 : x
  2. Step 2: Convert to fraction form
    1,674.95/2,313.38 = 1,577.75/x
  3. Step 3: Cross multiply
    1,674.95x = 2,313.38 × 1,577.75
  4. Step 4: Simplify right side
    1,674.95x = 3,649,935.30
  5. Step 5: Solve for x
    x = 3,649,935.30/1,674.95
  6. Step 6: Final answer
    x = 2,179.13

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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.