Home / 3,072.15-4,603.95-1,314.81

Finding the Fourth Proportional to 3,072.15, 4,603.95 and 1,314.81

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Solution

The fourth proportional to 3,072.15, 4,603.95 and 1,314.81 is: 1,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.15 : 4,603.95 = 1,314.81 : x
  2. Step 2: Convert to fraction form
    3,072.15/4,603.95 = 1,314.81/x
  3. Step 3: Cross multiply
    3,072.15x = 4,603.95 × 1,314.81
  4. Step 4: Simplify right side
    3,072.15x = 6,053,319.50
  5. Step 5: Solve for x
    x = 6,053,319.50/3,072.15
  6. Step 6: Final answer
    x = 1,970.39

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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.