Home / 2,418.40-3,624.24-1,117.12

Finding the Fourth Proportional to 2,418.40, 3,624.24 and 1,117.12

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Solution

The fourth proportional to 2,418.40, 3,624.24 and 1,117.12 is: 1,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.40 : 3,624.24 = 1,117.12 : x
  2. Step 2: Convert to fraction form
    2,418.40/3,624.24 = 1,117.12/x
  3. Step 3: Cross multiply
    2,418.40x = 3,624.24 × 1,117.12
  4. Step 4: Simplify right side
    2,418.40x = 4,048,710.99
  5. Step 5: Solve for x
    x = 4,048,710.99/2,418.40
  6. Step 6: Final answer
    x = 1,674.13

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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.