Home / 2,457.39-3,391.02-1,409.25

Finding the Fourth Proportional to 2,457.39, 3,391.02 and 1,409.25

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Solution

The fourth proportional to 2,457.39, 3,391.02 and 1,409.25 is: 1,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.39 : 3,391.02 = 1,409.25 : x
  2. Step 2: Convert to fraction form
    2,457.39/3,391.02 = 1,409.25/x
  3. Step 3: Cross multiply
    2,457.39x = 3,391.02 × 1,409.25
  4. Step 4: Simplify right side
    2,457.39x = 4,778,794.94
  5. Step 5: Solve for x
    x = 4,778,794.94/2,457.39
  6. Step 6: Final answer
    x = 1,944.66

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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.