Home / 2,030.85-2,802.58-1,099.35

Finding the Fourth Proportional to 2,030.85, 2,802.58 and 1,099.35

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Solution

The fourth proportional to 2,030.85, 2,802.58 and 1,099.35 is: 1,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.85 : 2,802.58 = 1,099.35 : x
  2. Step 2: Convert to fraction form
    2,030.85/2,802.58 = 1,099.35/x
  3. Step 3: Cross multiply
    2,030.85x = 2,802.58 × 1,099.35
  4. Step 4: Simplify right side
    2,030.85x = 3,081,023.81
  5. Step 5: Solve for x
    x = 3,081,023.81/2,030.85
  6. Step 6: Final answer
    x = 1,517.11

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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.