Home / 2,457.36-3,670.83-1,971.36

Finding the Fourth Proportional to 2,457.36, 3,670.83 and 1,971.36

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Solution

The fourth proportional to 2,457.36, 3,670.83 and 1,971.36 is: 2,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.36 : 3,670.83 = 1,971.36 : x
  2. Step 2: Convert to fraction form
    2,457.36/3,670.83 = 1,971.36/x
  3. Step 3: Cross multiply
    2,457.36x = 3,670.83 × 1,971.36
  4. Step 4: Simplify right side
    2,457.36x = 7,236,527.43
  5. Step 5: Solve for x
    x = 7,236,527.43/2,457.36
  6. Step 6: Final answer
    x = 2,944.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.