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Finding the Fourth Proportional to 2,920.54, 4,030.29 and 1,801.03

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Solution

The fourth proportional to 2,920.54, 4,030.29 and 1,801.03 is: 2,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.54 : 4,030.29 = 1,801.03 : x
  2. Step 2: Convert to fraction form
    2,920.54/4,030.29 = 1,801.03/x
  3. Step 3: Cross multiply
    2,920.54x = 4,030.29 × 1,801.03
  4. Step 4: Simplify right side
    2,920.54x = 7,258,673.20
  5. Step 5: Solve for x
    x = 7,258,673.20/2,920.54
  6. Step 6: Final answer
    x = 2,485.39

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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.