Home / 1,938.74-2,670.29-1,852.34

Finding the Fourth Proportional to 1,938.74, 2,670.29 and 1,852.34

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Solution

The fourth proportional to 1,938.74, 2,670.29 and 1,852.34 is: 2,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.74 : 2,670.29 = 1,852.34 : x
  2. Step 2: Convert to fraction form
    1,938.74/2,670.29 = 1,852.34/x
  3. Step 3: Cross multiply
    1,938.74x = 2,670.29 × 1,852.34
  4. Step 4: Simplify right side
    1,938.74x = 4,946,284.98
  5. Step 5: Solve for x
    x = 4,946,284.98/1,938.74
  6. Step 6: Final answer
    x = 2,551.29

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1.5x scale

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.