Home / 2,623.02-3,619.70-1,488.90

Finding the Fourth Proportional to 2,623.02, 3,619.70 and 1,488.90

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Solution

The fourth proportional to 2,623.02, 3,619.70 and 1,488.90 is: 2,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.02 : 3,619.70 = 1,488.90 : x
  2. Step 2: Convert to fraction form
    2,623.02/3,619.70 = 1,488.90/x
  3. Step 3: Cross multiply
    2,623.02x = 3,619.70 × 1,488.90
  4. Step 4: Simplify right side
    2,623.02x = 5,389,378.52
  5. Step 5: Solve for x
    x = 5,389,378.52/2,623.02
  6. Step 6: Final answer
    x = 2,054.64

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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.