Home / 1,971.67-2,955.06-1,094.13

Finding the Fourth Proportional to 1,971.67, 2,955.06 and 1,094.13

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Solution

The fourth proportional to 1,971.67, 2,955.06 and 1,094.13 is: 1,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.67 : 2,955.06 = 1,094.13 : x
  2. Step 2: Convert to fraction form
    1,971.67/2,955.06 = 1,094.13/x
  3. Step 3: Cross multiply
    1,971.67x = 2,955.06 × 1,094.13
  4. Step 4: Simplify right side
    1,971.67x = 3,233,219.80
  5. Step 5: Solve for x
    x = 3,233,219.80/1,971.67
  6. Step 6: Final answer
    x = 1,639.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.