Home / 4,390.90-6,588.95-1,619.52

Finding the Fourth Proportional to 4,390.90, 6,588.95 and 1,619.52

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Solution

The fourth proportional to 4,390.90, 6,588.95 and 1,619.52 is: 2,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.90 : 6,588.95 = 1,619.52 : x
  2. Step 2: Convert to fraction form
    4,390.90/6,588.95 = 1,619.52/x
  3. Step 3: Cross multiply
    4,390.90x = 6,588.95 × 1,619.52
  4. Step 4: Simplify right side
    4,390.90x = 10,670,928.21
  5. Step 5: Solve for x
    x = 10,670,928.21/4,390.90
  6. Step 6: Final answer
    x = 2,430.24

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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.