Home / 2,555.11-3,829.93-1,457.11

Finding the Fourth Proportional to 2,555.11, 3,829.93 and 1,457.11

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Solution

The fourth proportional to 2,555.11, 3,829.93 and 1,457.11 is: 2,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.11 : 3,829.93 = 1,457.11 : x
  2. Step 2: Convert to fraction form
    2,555.11/3,829.93 = 1,457.11/x
  3. Step 3: Cross multiply
    2,555.11x = 3,829.93 × 1,457.11
  4. Step 4: Simplify right side
    2,555.11x = 5,580,629.30
  5. Step 5: Solve for x
    x = 5,580,629.30/2,555.11
  6. Step 6: Final answer
    x = 2,184.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.