Home / 2,405.10-3,607.35-1,018.99

Finding the Fourth Proportional to 2,405.10, 3,607.35 and 1,018.99

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Solution

The fourth proportional to 2,405.10, 3,607.35 and 1,018.99 is: 1,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.10 : 3,607.35 = 1,018.99 : x
  2. Step 2: Convert to fraction form
    2,405.10/3,607.35 = 1,018.99/x
  3. Step 3: Cross multiply
    2,405.10x = 3,607.35 × 1,018.99
  4. Step 4: Simplify right side
    2,405.10x = 3,675,853.58
  5. Step 5: Solve for x
    x = 3,675,853.58/2,405.10
  6. Step 6: Final answer
    x = 1,528.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.