Home / 2,929.74-4,038.83-2,088.98

Finding the Fourth Proportional to 2,929.74, 4,038.83 and 2,088.98

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Solution

The fourth proportional to 2,929.74, 4,038.83 and 2,088.98 is: 2,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.74 : 4,038.83 = 2,088.98 : x
  2. Step 2: Convert to fraction form
    2,929.74/4,038.83 = 2,088.98/x
  3. Step 3: Cross multiply
    2,929.74x = 4,038.83 × 2,088.98
  4. Step 4: Simplify right side
    2,929.74x = 8,437,027.43
  5. Step 5: Solve for x
    x = 8,437,027.43/2,929.74
  6. Step 6: Final answer
    x = 2,879.79

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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.