Home / 1,623.90-2,418.87-1,602.37

Finding the Fourth Proportional to 1,623.90, 2,418.87 and 1,602.37

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Solution

The fourth proportional to 1,623.90, 2,418.87 and 1,602.37 is: 2,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.90 : 2,418.87 = 1,602.37 : x
  2. Step 2: Convert to fraction form
    1,623.90/2,418.87 = 1,602.37/x
  3. Step 3: Cross multiply
    1,623.90x = 2,418.87 × 1,602.37
  4. Step 4: Simplify right side
    1,623.90x = 3,875,924.72
  5. Step 5: Solve for x
    x = 3,875,924.72/1,623.90
  6. Step 6: Final answer
    x = 2,386.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.