Home / 2,930.03-4,043.43-1,603.74

Finding the Fourth Proportional to 2,930.03, 4,043.43 and 1,603.74

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Solution

The fourth proportional to 2,930.03, 4,043.43 and 1,603.74 is: 2,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.03 : 4,043.43 = 1,603.74 : x
  2. Step 2: Convert to fraction form
    2,930.03/4,043.43 = 1,603.74/x
  3. Step 3: Cross multiply
    2,930.03x = 4,043.43 × 1,603.74
  4. Step 4: Simplify right side
    2,930.03x = 6,484,610.43
  5. Step 5: Solve for x
    x = 6,484,610.43/2,930.03
  6. Step 6: Final answer
    x = 2,213.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.