Home / 2,038.29-2,812.84-1,106.79

Finding the Fourth Proportional to 2,038.29, 2,812.84 and 1,106.79

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Solution

The fourth proportional to 2,038.29, 2,812.84 and 1,106.79 is: 1,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.29 : 2,812.84 = 1,106.79 : x
  2. Step 2: Convert to fraction form
    2,038.29/2,812.84 = 1,106.79/x
  3. Step 3: Cross multiply
    2,038.29x = 2,812.84 × 1,106.79
  4. Step 4: Simplify right side
    2,038.29x = 3,113,219.34
  5. Step 5: Solve for x
    x = 3,113,219.34/2,038.29
  6. Step 6: Final answer
    x = 1,527.37

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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.