Home / 2,405.18-3,320.04-1,410.77

Finding the Fourth Proportional to 2,405.18, 3,320.04 and 1,410.77

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Solution

The fourth proportional to 2,405.18, 3,320.04 and 1,410.77 is: 1,947.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.18 : 3,320.04 = 1,410.77 : x
  2. Step 2: Convert to fraction form
    2,405.18/3,320.04 = 1,410.77/x
  3. Step 3: Cross multiply
    2,405.18x = 3,320.04 × 1,410.77
  4. Step 4: Simplify right side
    2,405.18x = 4,683,796.23
  5. Step 5: Solve for x
    x = 4,683,796.23/2,405.18
  6. Step 6: Final answer
    x = 1,947.38

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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.