Home / 1,855.47-2,563.17-1,623.10

Finding the Fourth Proportional to 1,855.47, 2,563.17 and 1,623.10

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Solution

The fourth proportional to 1,855.47, 2,563.17 and 1,623.10 is: 2,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.47 : 2,563.17 = 1,623.10 : x
  2. Step 2: Convert to fraction form
    1,855.47/2,563.17 = 1,623.10/x
  3. Step 3: Cross multiply
    1,855.47x = 2,563.17 × 1,623.10
  4. Step 4: Simplify right side
    1,855.47x = 4,160,268.41
  5. Step 5: Solve for x
    x = 4,160,268.41/1,855.47
  6. Step 6: Final answer
    x = 2,242.17

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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.