Home / 2,430.45-3,354.04-1,382.58

Finding the Fourth Proportional to 2,430.45, 3,354.04 and 1,382.58

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Solution

The fourth proportional to 2,430.45, 3,354.04 and 1,382.58 is: 1,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.45 : 3,354.04 = 1,382.58 : x
  2. Step 2: Convert to fraction form
    2,430.45/3,354.04 = 1,382.58/x
  3. Step 3: Cross multiply
    2,430.45x = 3,354.04 × 1,382.58
  4. Step 4: Simplify right side
    2,430.45x = 4,637,212.59
  5. Step 5: Solve for x
    x = 4,637,212.59/2,430.45
  6. Step 6: Final answer
    x = 1,907.97

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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.