Home / 2,959.26-4,083.98-1,780.35

Finding the Fourth Proportional to 2,959.26, 4,083.98 and 1,780.35

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Solution

The fourth proportional to 2,959.26, 4,083.98 and 1,780.35 is: 2,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.26 : 4,083.98 = 1,780.35 : x
  2. Step 2: Convert to fraction form
    2,959.26/4,083.98 = 1,780.35/x
  3. Step 3: Cross multiply
    2,959.26x = 4,083.98 × 1,780.35
  4. Step 4: Simplify right side
    2,959.26x = 7,270,904.89
  5. Step 5: Solve for x
    x = 7,270,904.89/2,959.26
  6. Step 6: Final answer
    x = 2,457.00

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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.