Home / 2,387.46-3,295.07-1,443.40

Finding the Fourth Proportional to 2,387.46, 3,295.07 and 1,443.40

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Solution

The fourth proportional to 2,387.46, 3,295.07 and 1,443.40 is: 1,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.46 : 3,295.07 = 1,443.40 : x
  2. Step 2: Convert to fraction form
    2,387.46/3,295.07 = 1,443.40/x
  3. Step 3: Cross multiply
    2,387.46x = 3,295.07 × 1,443.40
  4. Step 4: Simplify right side
    2,387.46x = 4,756,104.04
  5. Step 5: Solve for x
    x = 4,756,104.04/2,387.46
  6. Step 6: Final answer
    x = 1,992.12

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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.