Home / 1,948.23-2,681.55-1,630.01

Finding the Fourth Proportional to 1,948.23, 2,681.55 and 1,630.01

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Solution

The fourth proportional to 1,948.23, 2,681.55 and 1,630.01 is: 2,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.23 : 2,681.55 = 1,630.01 : x
  2. Step 2: Convert to fraction form
    1,948.23/2,681.55 = 1,630.01/x
  3. Step 3: Cross multiply
    1,948.23x = 2,681.55 × 1,630.01
  4. Step 4: Simplify right side
    1,948.23x = 4,370,939.91
  5. Step 5: Solve for x
    x = 4,370,939.91/1,948.23
  6. Step 6: Final answer
    x = 2,243.54

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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.