Home / 2,508.03-3,461.36-1,389.06

Finding the Fourth Proportional to 2,508.03, 3,461.36 and 1,389.06

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Solution

The fourth proportional to 2,508.03, 3,461.36 and 1,389.06 is: 1,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.03 : 3,461.36 = 1,389.06 : x
  2. Step 2: Convert to fraction form
    2,508.03/3,461.36 = 1,389.06/x
  3. Step 3: Cross multiply
    2,508.03x = 3,461.36 × 1,389.06
  4. Step 4: Simplify right side
    2,508.03x = 4,808,029.78
  5. Step 5: Solve for x
    x = 4,808,029.78/2,508.03
  6. Step 6: Final answer
    x = 1,917.05

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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.