Home / 2,390.07-3,297.62-1,432.59

Finding the Fourth Proportional to 2,390.07, 3,297.62 and 1,432.59

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Solution

The fourth proportional to 2,390.07, 3,297.62 and 1,432.59 is: 1,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.07 : 3,297.62 = 1,432.59 : x
  2. Step 2: Convert to fraction form
    2,390.07/3,297.62 = 1,432.59/x
  3. Step 3: Cross multiply
    2,390.07x = 3,297.62 × 1,432.59
  4. Step 4: Simplify right side
    2,390.07x = 4,724,141.02
  5. Step 5: Solve for x
    x = 4,724,141.02/2,390.07
  6. Step 6: Final answer
    x = 1,976.57

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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.