Home / 2,614.36-3,607.80-1,435.42

Finding the Fourth Proportional to 2,614.36, 3,607.80 and 1,435.42

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Solution

The fourth proportional to 2,614.36, 3,607.80 and 1,435.42 is: 1,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.36 : 3,607.80 = 1,435.42 : x
  2. Step 2: Convert to fraction form
    2,614.36/3,607.80 = 1,435.42/x
  3. Step 3: Cross multiply
    2,614.36x = 3,607.80 × 1,435.42
  4. Step 4: Simplify right side
    2,614.36x = 5,178,708.28
  5. Step 5: Solve for x
    x = 5,178,708.28/2,614.36
  6. Step 6: Final answer
    x = 1,980.87

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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.