Home / 2,460.36-3,395.10-1,398.15

Finding the Fourth Proportional to 2,460.36, 3,395.10 and 1,398.15

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Solution

The fourth proportional to 2,460.36, 3,395.10 and 1,398.15 is: 1,929.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.36 : 3,395.10 = 1,398.15 : x
  2. Step 2: Convert to fraction form
    2,460.36/3,395.10 = 1,398.15/x
  3. Step 3: Cross multiply
    2,460.36x = 3,395.10 × 1,398.15
  4. Step 4: Simplify right side
    2,460.36x = 4,746,859.07
  5. Step 5: Solve for x
    x = 4,746,859.07/2,460.36
  6. Step 6: Final answer
    x = 1,929.34

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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.