Home / 1,938.16-2,901.48-1,166.32

Finding the Fourth Proportional to 1,938.16, 2,901.48 and 1,166.32

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Solution

The fourth proportional to 1,938.16, 2,901.48 and 1,166.32 is: 1,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.16 : 2,901.48 = 1,166.32 : x
  2. Step 2: Convert to fraction form
    1,938.16/2,901.48 = 1,166.32/x
  3. Step 3: Cross multiply
    1,938.16x = 2,901.48 × 1,166.32
  4. Step 4: Simplify right side
    1,938.16x = 3,384,054.15
  5. Step 5: Solve for x
    x = 3,384,054.15/1,938.16
  6. Step 6: Final answer
    x = 1,746.01

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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.