Home / 2,928.75-4,386.09-1,610.52

Finding the Fourth Proportional to 2,928.75, 4,386.09 and 1,610.52

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Solution

The fourth proportional to 2,928.75, 4,386.09 and 1,610.52 is: 2,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.75 : 4,386.09 = 1,610.52 : x
  2. Step 2: Convert to fraction form
    2,928.75/4,386.09 = 1,610.52/x
  3. Step 3: Cross multiply
    2,928.75x = 4,386.09 × 1,610.52
  4. Step 4: Simplify right side
    2,928.75x = 7,063,885.67
  5. Step 5: Solve for x
    x = 7,063,885.67/2,928.75
  6. Step 6: Final answer
    x = 2,411.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.