Home / 2,930.07-4,043.38-1,603.74

Finding the Fourth Proportional to 2,930.07, 4,043.38 and 1,603.74

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Solution

The fourth proportional to 2,930.07, 4,043.38 and 1,603.74 is: 2,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.07 : 4,043.38 = 1,603.74 : x
  2. Step 2: Convert to fraction form
    2,930.07/4,043.38 = 1,603.74/x
  3. Step 3: Cross multiply
    2,930.07x = 4,043.38 × 1,603.74
  4. Step 4: Simplify right side
    2,930.07x = 6,484,530.24
  5. Step 5: Solve for x
    x = 6,484,530.24/2,930.07
  6. Step 6: Final answer
    x = 2,213.10

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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.