Home / 2,927.08-4,038.82-1,731.79

Finding the Fourth Proportional to 2,927.08, 4,038.82 and 1,731.79

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Solution

The fourth proportional to 2,927.08, 4,038.82 and 1,731.79 is: 2,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.08 : 4,038.82 = 1,731.79 : x
  2. Step 2: Convert to fraction form
    2,927.08/4,038.82 = 1,731.79/x
  3. Step 3: Cross multiply
    2,927.08x = 4,038.82 × 1,731.79
  4. Step 4: Simplify right side
    2,927.08x = 6,994,373.66
  5. Step 5: Solve for x
    x = 6,994,373.66/2,927.08
  6. Step 6: Final answer
    x = 2,389.54

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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.