Home / 2,897.94-3,999.06-1,718.31

Finding the Fourth Proportional to 2,897.94, 3,999.06 and 1,718.31

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Solution

The fourth proportional to 2,897.94, 3,999.06 and 1,718.31 is: 2,371.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.94 : 3,999.06 = 1,718.31 : x
  2. Step 2: Convert to fraction form
    2,897.94/3,999.06 = 1,718.31/x
  3. Step 3: Cross multiply
    2,897.94x = 3,999.06 × 1,718.31
  4. Step 4: Simplify right side
    2,897.94x = 6,871,624.79
  5. Step 5: Solve for x
    x = 6,871,624.79/2,897.94
  6. Step 6: Final answer
    x = 2,371.21

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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.