Home / 2,613.66-3,606.96-1,434.84

Finding the Fourth Proportional to 2,613.66, 3,606.96 and 1,434.84

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Solution

The fourth proportional to 2,613.66, 3,606.96 and 1,434.84 is: 1,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.66 : 3,606.96 = 1,434.84 : x
  2. Step 2: Convert to fraction form
    2,613.66/3,606.96 = 1,434.84/x
  3. Step 3: Cross multiply
    2,613.66x = 3,606.96 × 1,434.84
  4. Step 4: Simplify right side
    2,613.66x = 5,175,410.49
  5. Step 5: Solve for x
    x = 5,175,410.49/2,613.66
  6. Step 6: Final answer
    x = 1,980.14

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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.