Home / 1,534.44-2,116.56-1,009.56

Finding the Fourth Proportional to 1,534.44, 2,116.56 and 1,009.56

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Solution

The fourth proportional to 1,534.44, 2,116.56 and 1,009.56 is: 1,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.44 : 2,116.56 = 1,009.56 : x
  2. Step 2: Convert to fraction form
    1,534.44/2,116.56 = 1,009.56/x
  3. Step 3: Cross multiply
    1,534.44x = 2,116.56 × 1,009.56
  4. Step 4: Simplify right side
    1,534.44x = 2,136,794.31
  5. Step 5: Solve for x
    x = 2,136,794.31/1,534.44
  6. Step 6: Final answer
    x = 1,392.56

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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.