Home / 2,929.89-4,043.24-1,603.59

Finding the Fourth Proportional to 2,929.89, 4,043.24 and 1,603.59

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Solution

The fourth proportional to 2,929.89, 4,043.24 and 1,603.59 is: 2,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.89 : 4,043.24 = 1,603.59 : x
  2. Step 2: Convert to fraction form
    2,929.89/4,043.24 = 1,603.59/x
  3. Step 3: Cross multiply
    2,929.89x = 4,043.24 × 1,603.59
  4. Step 4: Simplify right side
    2,929.89x = 6,483,697.23
  5. Step 5: Solve for x
    x = 6,483,697.23/2,929.89
  6. Step 6: Final answer
    x = 2,212.95

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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.