Home / 3,412.29-4,688.55-2,712.45

Finding the Fourth Proportional to 3,412.29, 4,688.55 and 2,712.45

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Solution

The fourth proportional to 3,412.29, 4,688.55 and 2,712.45 is: 3,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.29 : 4,688.55 = 2,712.45 : x
  2. Step 2: Convert to fraction form
    3,412.29/4,688.55 = 2,712.45/x
  3. Step 3: Cross multiply
    3,412.29x = 4,688.55 × 2,712.45
  4. Step 4: Simplify right side
    3,412.29x = 12,717,457.45
  5. Step 5: Solve for x
    x = 12,717,457.45/3,412.29
  6. Step 6: Final answer
    x = 3,726.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.