Home / 2,030.70-2,802.34-1,099.20

Finding the Fourth Proportional to 2,030.70, 2,802.34 and 1,099.20

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Solution

The fourth proportional to 2,030.70, 2,802.34 and 1,099.20 is: 1,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.70 : 2,802.34 = 1,099.20 : x
  2. Step 2: Convert to fraction form
    2,030.70/2,802.34 = 1,099.20/x
  3. Step 3: Cross multiply
    2,030.70x = 2,802.34 × 1,099.20
  4. Step 4: Simplify right side
    2,030.70x = 3,080,332.13
  5. Step 5: Solve for x
    x = 3,080,332.13/2,030.70
  6. Step 6: Final answer
    x = 1,516.88

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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.