Home / 3,116-4,300.08-1,718.84

Finding the Fourth Proportional to 3,116, 4,300.08 and 1,718.84

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Solution

The fourth proportional to 3,116, 4,300.08 and 1,718.84 is: 2,372.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116 : 4,300.08 = 1,718.84 : x
  2. Step 2: Convert to fraction form
    3,116/4,300.08 = 1,718.84/x
  3. Step 3: Cross multiply
    3,116x = 4,300.08 × 1,718.84
  4. Step 4: Simplify right side
    3,116x = 7,391,149.51
  5. Step 5: Solve for x
    x = 7,391,149.51/3,116
  6. Step 6: Final answer
    x = 2,372.00

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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.