Home / 2,948.74-4,069.65-1,903.84

Finding the Fourth Proportional to 2,948.74, 4,069.65 and 1,903.84

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Solution

The fourth proportional to 2,948.74, 4,069.65 and 1,903.84 is: 2,627.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.74 : 4,069.65 = 1,903.84 : x
  2. Step 2: Convert to fraction form
    2,948.74/4,069.65 = 1,903.84/x
  3. Step 3: Cross multiply
    2,948.74x = 4,069.65 × 1,903.84
  4. Step 4: Simplify right side
    2,948.74x = 7,747,962.46
  5. Step 5: Solve for x
    x = 7,747,962.46/2,948.74
  6. Step 6: Final answer
    x = 2,627.55

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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.