Home / 2,653.16-3,983.36-1,829.40

Finding the Fourth Proportional to 2,653.16, 3,983.36 and 1,829.40

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Solution

The fourth proportional to 2,653.16, 3,983.36 and 1,829.40 is: 2,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.16 : 3,983.36 = 1,829.40 : x
  2. Step 2: Convert to fraction form
    2,653.16/3,983.36 = 1,829.40/x
  3. Step 3: Cross multiply
    2,653.16x = 3,983.36 × 1,829.40
  4. Step 4: Simplify right side
    2,653.16x = 7,287,158.78
  5. Step 5: Solve for x
    x = 7,287,158.78/2,653.16
  6. Step 6: Final answer
    x = 2,746.60

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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.