Home / 2,416.16-3,333.48-1,421.12

Finding the Fourth Proportional to 2,416.16, 3,333.48 and 1,421.12

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Solution

The fourth proportional to 2,416.16, 3,333.48 and 1,421.12 is: 1,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.16 : 3,333.48 = 1,421.12 : x
  2. Step 2: Convert to fraction form
    2,416.16/3,333.48 = 1,421.12/x
  3. Step 3: Cross multiply
    2,416.16x = 3,333.48 × 1,421.12
  4. Step 4: Simplify right side
    2,416.16x = 4,737,275.10
  5. Step 5: Solve for x
    x = 4,737,275.10/2,416.16
  6. Step 6: Final answer
    x = 1,960.66

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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.