Home / 2,389.08-3,296.54-1,506.08

Finding the Fourth Proportional to 2,389.08, 3,296.54 and 1,506.08

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Solution

The fourth proportional to 2,389.08, 3,296.54 and 1,506.08 is: 2,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.08 : 3,296.54 = 1,506.08 : x
  2. Step 2: Convert to fraction form
    2,389.08/3,296.54 = 1,506.08/x
  3. Step 3: Cross multiply
    2,389.08x = 3,296.54 × 1,506.08
  4. Step 4: Simplify right side
    2,389.08x = 4,964,828.95
  5. Step 5: Solve for x
    x = 4,964,828.95/2,389.08
  6. Step 6: Final answer
    x = 2,078.13

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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.