Home / 2,119.25-2,923.08-1,457.69

Finding the Fourth Proportional to 2,119.25, 2,923.08 and 1,457.69

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Solution

The fourth proportional to 2,119.25, 2,923.08 and 1,457.69 is: 2,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.25 : 2,923.08 = 1,457.69 : x
  2. Step 2: Convert to fraction form
    2,119.25/2,923.08 = 1,457.69/x
  3. Step 3: Cross multiply
    2,119.25x = 2,923.08 × 1,457.69
  4. Step 4: Simplify right side
    2,119.25x = 4,260,929.87
  5. Step 5: Solve for x
    x = 4,260,929.87/2,119.25
  6. Step 6: Final answer
    x = 2,010.59

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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.