Home / 3,386.88-4,673.43-1,970.46

Finding the Fourth Proportional to 3,386.88, 4,673.43 and 1,970.46

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Solution

The fourth proportional to 3,386.88, 4,673.43 and 1,970.46 is: 2,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.88 : 4,673.43 = 1,970.46 : x
  2. Step 2: Convert to fraction form
    3,386.88/4,673.43 = 1,970.46/x
  3. Step 3: Cross multiply
    3,386.88x = 4,673.43 × 1,970.46
  4. Step 4: Simplify right side
    3,386.88x = 9,208,806.88
  5. Step 5: Solve for x
    x = 9,208,806.88/3,386.88
  6. Step 6: Final answer
    x = 2,718.96

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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.