Home / 3,162.02-4,741.38-1,313.51

Finding the Fourth Proportional to 3,162.02, 4,741.38 and 1,313.51

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Solution

The fourth proportional to 3,162.02, 4,741.38 and 1,313.51 is: 1,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.02 : 4,741.38 = 1,313.51 : x
  2. Step 2: Convert to fraction form
    3,162.02/4,741.38 = 1,313.51/x
  3. Step 3: Cross multiply
    3,162.02x = 4,741.38 × 1,313.51
  4. Step 4: Simplify right side
    3,162.02x = 6,227,826.34
  5. Step 5: Solve for x
    x = 6,227,826.34/3,162.02
  6. Step 6: Final answer
    x = 1,969.58

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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.