Home / 3,578.25-4,935-2,457.39

Finding the Fourth Proportional to 3,578.25, 4,935 and 2,457.39

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Solution

The fourth proportional to 3,578.25, 4,935 and 2,457.39 is: 3,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.25 : 4,935 = 2,457.39 : x
  2. Step 2: Convert to fraction form
    3,578.25/4,935 = 2,457.39/x
  3. Step 3: Cross multiply
    3,578.25x = 4,935 × 2,457.39
  4. Step 4: Simplify right side
    3,578.25x = 12,127,219.65
  5. Step 5: Solve for x
    x = 12,127,219.65/3,578.25
  6. Step 6: Final answer
    x = 3,389.15

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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.