Home / 2,505.08-3,457.22-1,386.14

Finding the Fourth Proportional to 2,505.08, 3,457.22 and 1,386.14

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Solution

The fourth proportional to 2,505.08, 3,457.22 and 1,386.14 is: 1,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.08 : 3,457.22 = 1,386.14 : x
  2. Step 2: Convert to fraction form
    2,505.08/3,457.22 = 1,386.14/x
  3. Step 3: Cross multiply
    2,505.08x = 3,457.22 × 1,386.14
  4. Step 4: Simplify right side
    2,505.08x = 4,792,166.71
  5. Step 5: Solve for x
    x = 4,792,166.71/2,505.08
  6. Step 6: Final answer
    x = 1,912.98

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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.