Home / 2,948.79-4,069.29-1,622.48

Finding the Fourth Proportional to 2,948.79, 4,069.29 and 1,622.48

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Solution

The fourth proportional to 2,948.79, 4,069.29 and 1,622.48 is: 2,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.79 : 4,069.29 = 1,622.48 : x
  2. Step 2: Convert to fraction form
    2,948.79/4,069.29 = 1,622.48/x
  3. Step 3: Cross multiply
    2,948.79x = 4,069.29 × 1,622.48
  4. Step 4: Simplify right side
    2,948.79x = 6,602,351.81
  5. Step 5: Solve for x
    x = 6,602,351.81/2,948.79
  6. Step 6: Final answer
    x = 2,239.00

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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.