Home / 2,023.40-3,030.23-1,372.16

Finding the Fourth Proportional to 2,023.40, 3,030.23 and 1,372.16

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Solution

The fourth proportional to 2,023.40, 3,030.23 and 1,372.16 is: 2,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.40 : 3,030.23 = 1,372.16 : x
  2. Step 2: Convert to fraction form
    2,023.40/3,030.23 = 1,372.16/x
  3. Step 3: Cross multiply
    2,023.40x = 3,030.23 × 1,372.16
  4. Step 4: Simplify right side
    2,023.40x = 4,157,938.38
  5. Step 5: Solve for x
    x = 4,157,938.38/2,023.40
  6. Step 6: Final answer
    x = 2,054.93

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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.