Home / 3,314.81-4,578.51-2,479.24

Finding the Fourth Proportional to 3,314.81, 4,578.51 and 2,479.24

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Solution

The fourth proportional to 3,314.81, 4,578.51 and 2,479.24 is: 3,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.81 : 4,578.51 = 2,479.24 : x
  2. Step 2: Convert to fraction form
    3,314.81/4,578.51 = 2,479.24/x
  3. Step 3: Cross multiply
    3,314.81x = 4,578.51 × 2,479.24
  4. Step 4: Simplify right side
    3,314.81x = 11,351,225.13
  5. Step 5: Solve for x
    x = 11,351,225.13/3,314.81
  6. Step 6: Final answer
    x = 3,424.40

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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.