Home / 2,653.18-3,660.80-1,534.09

Finding the Fourth Proportional to 2,653.18, 3,660.80 and 1,534.09

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Solution

The fourth proportional to 2,653.18, 3,660.80 and 1,534.09 is: 2,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.18 : 3,660.80 = 1,534.09 : x
  2. Step 2: Convert to fraction form
    2,653.18/3,660.80 = 1,534.09/x
  3. Step 3: Cross multiply
    2,653.18x = 3,660.80 × 1,534.09
  4. Step 4: Simplify right side
    2,653.18x = 5,615,986.71
  5. Step 5: Solve for x
    x = 5,615,986.71/2,653.18
  6. Step 6: Final answer
    x = 2,116.70

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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.