Home / 3,114.79-4,670.73-1,653.55

Finding the Fourth Proportional to 3,114.79, 4,670.73 and 1,653.55

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Solution

The fourth proportional to 3,114.79, 4,670.73 and 1,653.55 is: 2,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.79 : 4,670.73 = 1,653.55 : x
  2. Step 2: Convert to fraction form
    3,114.79/4,670.73 = 1,653.55/x
  3. Step 3: Cross multiply
    3,114.79x = 4,670.73 × 1,653.55
  4. Step 4: Simplify right side
    3,114.79x = 7,723,273.91
  5. Step 5: Solve for x
    x = 7,723,273.91/3,114.79
  6. Step 6: Final answer
    x = 2,479.55

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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.