Home / 2,389.27-3,563.47-2,098.68

Finding the Fourth Proportional to 2,389.27, 3,563.47 and 2,098.68

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Solution

The fourth proportional to 2,389.27, 3,563.47 and 2,098.68 is: 3,130.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.27 : 3,563.47 = 2,098.68 : x
  2. Step 2: Convert to fraction form
    2,389.27/3,563.47 = 2,098.68/x
  3. Step 3: Cross multiply
    2,389.27x = 3,563.47 × 2,098.68
  4. Step 4: Simplify right side
    2,389.27x = 7,478,583.22
  5. Step 5: Solve for x
    x = 7,478,583.22/2,389.27
  6. Step 6: Final answer
    x = 3,130.07

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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.