Home / 2,406.08-3,320.67-1,358.06

Finding the Fourth Proportional to 2,406.08, 3,320.67 and 1,358.06

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Solution

The fourth proportional to 2,406.08, 3,320.67 and 1,358.06 is: 1,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.08 : 3,320.67 = 1,358.06 : x
  2. Step 2: Convert to fraction form
    2,406.08/3,320.67 = 1,358.06/x
  3. Step 3: Cross multiply
    2,406.08x = 3,320.67 × 1,358.06
  4. Step 4: Simplify right side
    2,406.08x = 4,509,677.40
  5. Step 5: Solve for x
    x = 4,509,677.40/2,406.08
  6. Step 6: Final answer
    x = 1,874.28

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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.