Home / 2,945.50-4,064.80-1,703.74

Finding the Fourth Proportional to 2,945.50, 4,064.80 and 1,703.74

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Solution

The fourth proportional to 2,945.50, 4,064.80 and 1,703.74 is: 2,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.50 : 4,064.80 = 1,703.74 : x
  2. Step 2: Convert to fraction form
    2,945.50/4,064.80 = 1,703.74/x
  3. Step 3: Cross multiply
    2,945.50x = 4,064.80 × 1,703.74
  4. Step 4: Simplify right side
    2,945.50x = 6,925,362.35
  5. Step 5: Solve for x
    x = 6,925,362.35/2,945.50
  6. Step 6: Final answer
    x = 2,351.17

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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.