Home / 1,830.60-2,744.28-1,653.48

Finding the Fourth Proportional to 1,830.60, 2,744.28 and 1,653.48

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Solution

The fourth proportional to 1,830.60, 2,744.28 and 1,653.48 is: 2,478.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.60 : 2,744.28 = 1,653.48 : x
  2. Step 2: Convert to fraction form
    1,830.60/2,744.28 = 1,653.48/x
  3. Step 3: Cross multiply
    1,830.60x = 2,744.28 × 1,653.48
  4. Step 4: Simplify right side
    1,830.60x = 4,537,612.09
  5. Step 5: Solve for x
    x = 4,537,612.09/1,830.60
  6. Step 6: Final answer
    x = 2,478.76

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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.