Home / 2,406.08-3,320.48-1,358.08

Finding the Fourth Proportional to 2,406.08, 3,320.48 and 1,358.08

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Solution

The fourth proportional to 2,406.08, 3,320.48 and 1,358.08 is: 1,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.08 : 3,320.48 = 1,358.08 : x
  2. Step 2: Convert to fraction form
    2,406.08/3,320.48 = 1,358.08/x
  3. Step 3: Cross multiply
    2,406.08x = 3,320.48 × 1,358.08
  4. Step 4: Simplify right side
    2,406.08x = 4,509,477.48
  5. Step 5: Solve for x
    x = 4,509,477.48/2,406.08
  6. Step 6: Final answer
    x = 1,874.20

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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.