Home / 2,928.67-4,041.60-1,602.40

Finding the Fourth Proportional to 2,928.67, 4,041.60 and 1,602.40

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Solution

The fourth proportional to 2,928.67, 4,041.60 and 1,602.40 is: 2,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.67 : 4,041.60 = 1,602.40 : x
  2. Step 2: Convert to fraction form
    2,928.67/4,041.60 = 1,602.40/x
  3. Step 3: Cross multiply
    2,928.67x = 4,041.60 × 1,602.40
  4. Step 4: Simplify right side
    2,928.67x = 6,476,239.63
  5. Step 5: Solve for x
    x = 6,476,239.63/2,928.67
  6. Step 6: Final answer
    x = 2,211.33

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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.