Home / 2,928.71-4,041.68-1,602.38

Finding the Fourth Proportional to 2,928.71, 4,041.68 and 1,602.38

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Solution

The fourth proportional to 2,928.71, 4,041.68 and 1,602.38 is: 2,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.71 : 4,041.68 = 1,602.38 : x
  2. Step 2: Convert to fraction form
    2,928.71/4,041.68 = 1,602.38/x
  3. Step 3: Cross multiply
    2,928.71x = 4,041.68 × 1,602.38
  4. Step 4: Simplify right side
    2,928.71x = 6,476,309.29
  5. Step 5: Solve for x
    x = 6,476,309.29/2,928.71
  6. Step 6: Final answer
    x = 2,211.32

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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.