Home / 3,153.04-4,728.79-1,397.07

Finding the Fourth Proportional to 3,153.04, 4,728.79 and 1,397.07

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Solution

The fourth proportional to 3,153.04, 4,728.79 and 1,397.07 is: 2,095.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.04 : 4,728.79 = 1,397.07 : x
  2. Step 2: Convert to fraction form
    3,153.04/4,728.79 = 1,397.07/x
  3. Step 3: Cross multiply
    3,153.04x = 4,728.79 × 1,397.07
  4. Step 4: Simplify right side
    3,153.04x = 6,606,454.14
  5. Step 5: Solve for x
    x = 6,606,454.14/3,153.04
  6. Step 6: Final answer
    x = 2,095.27

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1.5x scale

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.