Home / 1,948.21-2,685.93-1,500.79

Finding the Fourth Proportional to 1,948.21, 2,685.93 and 1,500.79

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Solution

The fourth proportional to 1,948.21, 2,685.93 and 1,500.79 is: 2,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.21 : 2,685.93 = 1,500.79 : x
  2. Step 2: Convert to fraction form
    1,948.21/2,685.93 = 1,500.79/x
  3. Step 3: Cross multiply
    1,948.21x = 2,685.93 × 1,500.79
  4. Step 4: Simplify right side
    1,948.21x = 4,031,003.46
  5. Step 5: Solve for x
    x = 4,031,003.46/1,948.21
  6. Step 6: Final answer
    x = 2,069.09

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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.