Home / 2,409.45-3,325.10-1,347.17

Finding the Fourth Proportional to 2,409.45, 3,325.10 and 1,347.17

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Solution

The fourth proportional to 2,409.45, 3,325.10 and 1,347.17 is: 1,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.45 : 3,325.10 = 1,347.17 : x
  2. Step 2: Convert to fraction form
    2,409.45/3,325.10 = 1,347.17/x
  3. Step 3: Cross multiply
    2,409.45x = 3,325.10 × 1,347.17
  4. Step 4: Simplify right side
    2,409.45x = 4,479,451.61
  5. Step 5: Solve for x
    x = 4,479,451.61/2,409.45
  6. Step 6: Final answer
    x = 1,859.12

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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.