Home / 2,980.51-4,113.36-1,654.47

Finding the Fourth Proportional to 2,980.51, 4,113.36 and 1,654.47

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Solution

The fourth proportional to 2,980.51, 4,113.36 and 1,654.47 is: 2,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.51 : 4,113.36 = 1,654.47 : x
  2. Step 2: Convert to fraction form
    2,980.51/4,113.36 = 1,654.47/x
  3. Step 3: Cross multiply
    2,980.51x = 4,113.36 × 1,654.47
  4. Step 4: Simplify right side
    2,980.51x = 6,805,430.72
  5. Step 5: Solve for x
    x = 6,805,430.72/2,980.51
  6. Step 6: Final answer
    x = 2,283.31

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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.