Home / 2,119.79-2,924.33-1,373.99

Finding the Fourth Proportional to 2,119.79, 2,924.33 and 1,373.99

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Solution

The fourth proportional to 2,119.79, 2,924.33 and 1,373.99 is: 1,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.79 : 2,924.33 = 1,373.99 : x
  2. Step 2: Convert to fraction form
    2,119.79/2,924.33 = 1,373.99/x
  3. Step 3: Cross multiply
    2,119.79x = 2,924.33 × 1,373.99
  4. Step 4: Simplify right side
    2,119.79x = 4,018,000.18
  5. Step 5: Solve for x
    x = 4,018,000.18/2,119.79
  6. Step 6: Final answer
    x = 1,895.47

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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.