Home / 2,929.77-4,043.05-1,603.46

Finding the Fourth Proportional to 2,929.77, 4,043.05 and 1,603.46

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Solution

The fourth proportional to 2,929.77, 4,043.05 and 1,603.46 is: 2,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.77 : 4,043.05 = 1,603.46 : x
  2. Step 2: Convert to fraction form
    2,929.77/4,043.05 = 1,603.46/x
  3. Step 3: Cross multiply
    2,929.77x = 4,043.05 × 1,603.46
  4. Step 4: Simplify right side
    2,929.77x = 6,482,868.95
  5. Step 5: Solve for x
    x = 6,482,868.95/2,929.77
  6. Step 6: Final answer
    x = 2,212.76

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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.