Home / 1,738.64-2,603.91-1,370.90

Finding the Fourth Proportional to 1,738.64, 2,603.91 and 1,370.90

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Solution

The fourth proportional to 1,738.64, 2,603.91 and 1,370.90 is: 2,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.64 : 2,603.91 = 1,370.90 : x
  2. Step 2: Convert to fraction form
    1,738.64/2,603.91 = 1,370.90/x
  3. Step 3: Cross multiply
    1,738.64x = 2,603.91 × 1,370.90
  4. Step 4: Simplify right side
    1,738.64x = 3,569,700.22
  5. Step 5: Solve for x
    x = 3,569,700.22/1,738.64
  6. Step 6: Final answer
    x = 2,053.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.