Home / 2,505.05-3,457.02-1,370.76

Finding the Fourth Proportional to 2,505.05, 3,457.02 and 1,370.76

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Solution

The fourth proportional to 2,505.05, 3,457.02 and 1,370.76 is: 1,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.05 : 3,457.02 = 1,370.76 : x
  2. Step 2: Convert to fraction form
    2,505.05/3,457.02 = 1,370.76/x
  3. Step 3: Cross multiply
    2,505.05x = 3,457.02 × 1,370.76
  4. Step 4: Simplify right side
    2,505.05x = 4,738,744.74
  5. Step 5: Solve for x
    x = 4,738,744.74/2,505.05
  6. Step 6: Final answer
    x = 1,891.68

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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.