Home / 2,832.48-3,908.70-1,653.30

Finding the Fourth Proportional to 2,832.48, 3,908.70 and 1,653.30

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Solution

The fourth proportional to 2,832.48, 3,908.70 and 1,653.30 is: 2,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.48 : 3,908.70 = 1,653.30 : x
  2. Step 2: Convert to fraction form
    2,832.48/3,908.70 = 1,653.30/x
  3. Step 3: Cross multiply
    2,832.48x = 3,908.70 × 1,653.30
  4. Step 4: Simplify right side
    2,832.48x = 6,462,253.71
  5. Step 5: Solve for x
    x = 6,462,253.71/2,832.48
  6. Step 6: Final answer
    x = 2,281.48

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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.