Home / 1,863.32-2,571.35-1,077.35

Finding the Fourth Proportional to 1,863.32, 2,571.35 and 1,077.35

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Solution

The fourth proportional to 1,863.32, 2,571.35 and 1,077.35 is: 1,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.32 : 2,571.35 = 1,077.35 : x
  2. Step 2: Convert to fraction form
    1,863.32/2,571.35 = 1,077.35/x
  3. Step 3: Cross multiply
    1,863.32x = 2,571.35 × 1,077.35
  4. Step 4: Simplify right side
    1,863.32x = 2,770,225.68
  5. Step 5: Solve for x
    x = 2,770,225.68/1,863.32
  6. Step 6: Final answer
    x = 1,486.72

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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.