Home / 3,084.65-4,256.79-1,758.32

Finding the Fourth Proportional to 3,084.65, 4,256.79 and 1,758.32

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Solution

The fourth proportional to 3,084.65, 4,256.79 and 1,758.32 is: 2,426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.65 : 4,256.79 = 1,758.32 : x
  2. Step 2: Convert to fraction form
    3,084.65/4,256.79 = 1,758.32/x
  3. Step 3: Cross multiply
    3,084.65x = 4,256.79 × 1,758.32
  4. Step 4: Simplify right side
    3,084.65x = 7,484,809.63
  5. Step 5: Solve for x
    x = 7,484,809.63/3,084.65
  6. Step 6: Final answer
    x = 2,426.47

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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.