Home / 2,389.09-3,296.95-1,341.16

Finding the Fourth Proportional to 2,389.09, 3,296.95 and 1,341.16

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Solution

The fourth proportional to 2,389.09, 3,296.95 and 1,341.16 is: 1,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.09 : 3,296.95 = 1,341.16 : x
  2. Step 2: Convert to fraction form
    2,389.09/3,296.95 = 1,341.16/x
  3. Step 3: Cross multiply
    2,389.09x = 3,296.95 × 1,341.16
  4. Step 4: Simplify right side
    2,389.09x = 4,421,734.11
  5. Step 5: Solve for x
    x = 4,421,734.11/2,389.09
  6. Step 6: Final answer
    x = 1,850.80

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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.