Home / 2,457.23-3,390.41-1,618.07

Finding the Fourth Proportional to 2,457.23, 3,390.41 and 1,618.07

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Solution

The fourth proportional to 2,457.23, 3,390.41 and 1,618.07 is: 2,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.23 : 3,390.41 = 1,618.07 : x
  2. Step 2: Convert to fraction form
    2,457.23/3,390.41 = 1,618.07/x
  3. Step 3: Cross multiply
    2,457.23x = 3,390.41 × 1,618.07
  4. Step 4: Simplify right side
    2,457.23x = 5,485,895.67
  5. Step 5: Solve for x
    x = 5,485,895.67/2,457.23
  6. Step 6: Final answer
    x = 2,232.56

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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.