Home / 2,370.75-3,271.79-1,487.15

Finding the Fourth Proportional to 2,370.75, 3,271.79 and 1,487.15

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Solution

The fourth proportional to 2,370.75, 3,271.79 and 1,487.15 is: 2,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.75 : 3,271.79 = 1,487.15 : x
  2. Step 2: Convert to fraction form
    2,370.75/3,271.79 = 1,487.15/x
  3. Step 3: Cross multiply
    2,370.75x = 3,271.79 × 1,487.15
  4. Step 4: Simplify right side
    2,370.75x = 4,865,618.70
  5. Step 5: Solve for x
    x = 4,865,618.70/2,370.75
  6. Step 6: Final answer
    x = 2,052.35

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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.