Home / 2,416.04-3,334.08-1,421.10

Finding the Fourth Proportional to 2,416.04, 3,334.08 and 1,421.10

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Solution

The fourth proportional to 2,416.04, 3,334.08 and 1,421.10 is: 1,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.04 : 3,334.08 = 1,421.10 : x
  2. Step 2: Convert to fraction form
    2,416.04/3,334.08 = 1,421.10/x
  3. Step 3: Cross multiply
    2,416.04x = 3,334.08 × 1,421.10
  4. Step 4: Simplify right side
    2,416.04x = 4,738,061.09
  5. Step 5: Solve for x
    x = 4,738,061.09/2,416.04
  6. Step 6: Final answer
    x = 1,961.09

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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.