Home / 1,427.32-2,126.70-1,364.41

Finding the Fourth Proportional to 1,427.32, 2,126.70 and 1,364.41

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Solution

The fourth proportional to 1,427.32, 2,126.70 and 1,364.41 is: 2,032.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427.32 : 2,126.70 = 1,364.41 : x
  2. Step 2: Convert to fraction form
    1,427.32/2,126.70 = 1,364.41/x
  3. Step 3: Cross multiply
    1,427.32x = 2,126.70 × 1,364.41
  4. Step 4: Simplify right side
    1,427.32x = 2,901,690.75
  5. Step 5: Solve for x
    x = 2,901,690.75/1,427.32
  6. Step 6: Final answer
    x = 2,032.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.