Home / 2,762.16-3,809.52-1,975.92

Finding the Fourth Proportional to 2,762.16, 3,809.52 and 1,975.92

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Solution

The fourth proportional to 2,762.16, 3,809.52 and 1,975.92 is: 2,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.16 : 3,809.52 = 1,975.92 : x
  2. Step 2: Convert to fraction form
    2,762.16/3,809.52 = 1,975.92/x
  3. Step 3: Cross multiply
    2,762.16x = 3,809.52 × 1,975.92
  4. Step 4: Simplify right side
    2,762.16x = 7,527,306.76
  5. Step 5: Solve for x
    x = 7,527,306.76/2,762.16
  6. Step 6: Final answer
    x = 2,725.15

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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.