Home / 1,739.74-2,603.40-1,511.32

Finding the Fourth Proportional to 1,739.74, 2,603.40 and 1,511.32

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Solution

The fourth proportional to 1,739.74, 2,603.40 and 1,511.32 is: 2,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.74 : 2,603.40 = 1,511.32 : x
  2. Step 2: Convert to fraction form
    1,739.74/2,603.40 = 1,511.32/x
  3. Step 3: Cross multiply
    1,739.74x = 2,603.40 × 1,511.32
  4. Step 4: Simplify right side
    1,739.74x = 3,934,570.49
  5. Step 5: Solve for x
    x = 3,934,570.49/1,739.74
  6. Step 6: Final answer
    x = 2,261.59

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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.