Home / 2,021.48-3,030.17-1,533.51

Finding the Fourth Proportional to 2,021.48, 3,030.17 and 1,533.51

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Solution

The fourth proportional to 2,021.48, 3,030.17 and 1,533.51 is: 2,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.48 : 3,030.17 = 1,533.51 : x
  2. Step 2: Convert to fraction form
    2,021.48/3,030.17 = 1,533.51/x
  3. Step 3: Cross multiply
    2,021.48x = 3,030.17 × 1,533.51
  4. Step 4: Simplify right side
    2,021.48x = 4,646,792.16
  5. Step 5: Solve for x
    x = 4,646,792.16/2,021.48
  6. Step 6: Final answer
    x = 2,298.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.