Home / 1,298.56-1,947.48-1,093.18

Finding the Fourth Proportional to 1,298.56, 1,947.48 and 1,093.18

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Solution

The fourth proportional to 1,298.56, 1,947.48 and 1,093.18 is: 1,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298.56 : 1,947.48 = 1,093.18 : x
  2. Step 2: Convert to fraction form
    1,298.56/1,947.48 = 1,093.18/x
  3. Step 3: Cross multiply
    1,298.56x = 1,947.48 × 1,093.18
  4. Step 4: Simplify right side
    1,298.56x = 2,128,946.19
  5. Step 5: Solve for x
    x = 2,128,946.19/1,298.56
  6. Step 6: Final answer
    x = 1,639.47

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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.