Home / 1,684.84-2,327.35-1,527.65

Finding the Fourth Proportional to 1,684.84, 2,327.35 and 1,527.65

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Solution

The fourth proportional to 1,684.84, 2,327.35 and 1,527.65 is: 2,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.84 : 2,327.35 = 1,527.65 : x
  2. Step 2: Convert to fraction form
    1,684.84/2,327.35 = 1,527.65/x
  3. Step 3: Cross multiply
    1,684.84x = 2,327.35 × 1,527.65
  4. Step 4: Simplify right side
    1,684.84x = 3,555,366.59
  5. Step 5: Solve for x
    x = 3,555,366.59/1,684.84
  6. Step 6: Final answer
    x = 2,110.21

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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.