Home / 2,416.40-3,624.04-1,117.20

Finding the Fourth Proportional to 2,416.40, 3,624.04 and 1,117.20

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Solution

The fourth proportional to 2,416.40, 3,624.04 and 1,117.20 is: 1,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.40 : 3,624.04 = 1,117.20 : x
  2. Step 2: Convert to fraction form
    2,416.40/3,624.04 = 1,117.20/x
  3. Step 3: Cross multiply
    2,416.40x = 3,624.04 × 1,117.20
  4. Step 4: Simplify right side
    2,416.40x = 4,048,777.49
  5. Step 5: Solve for x
    x = 4,048,777.49/2,416.40
  6. Step 6: Final answer
    x = 1,675.54

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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.