Home / 2,613.96-3,607.28-1,435.04

Finding the Fourth Proportional to 2,613.96, 3,607.28 and 1,435.04

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Solution

The fourth proportional to 2,613.96, 3,607.28 and 1,435.04 is: 1,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.96 : 3,607.28 = 1,435.04 : x
  2. Step 2: Convert to fraction form
    2,613.96/3,607.28 = 1,435.04/x
  3. Step 3: Cross multiply
    2,613.96x = 3,607.28 × 1,435.04
  4. Step 4: Simplify right side
    2,613.96x = 5,176,591.09
  5. Step 5: Solve for x
    x = 5,176,591.09/2,613.96
  6. Step 6: Final answer
    x = 1,980.36

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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.