Home / 1,378.49-2,054.43-1,367.01

Finding the Fourth Proportional to 1,378.49, 2,054.43 and 1,367.01

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Solution

The fourth proportional to 1,378.49, 2,054.43 and 1,367.01 is: 2,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378.49 : 2,054.43 = 1,367.01 : x
  2. Step 2: Convert to fraction form
    1,378.49/2,054.43 = 1,367.01/x
  3. Step 3: Cross multiply
    1,378.49x = 2,054.43 × 1,367.01
  4. Step 4: Simplify right side
    1,378.49x = 2,808,426.35
  5. Step 5: Solve for x
    x = 2,808,426.35/1,378.49
  6. Step 6: Final answer
    x = 2,037.33

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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.