Home / 2,614.40-3,607.88-1,435.55

Finding the Fourth Proportional to 2,614.40, 3,607.88 and 1,435.55

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Solution

The fourth proportional to 2,614.40, 3,607.88 and 1,435.55 is: 1,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.40 : 3,607.88 = 1,435.55 : x
  2. Step 2: Convert to fraction form
    2,614.40/3,607.88 = 1,435.55/x
  3. Step 3: Cross multiply
    2,614.40x = 3,607.88 × 1,435.55
  4. Step 4: Simplify right side
    2,614.40x = 5,179,292.13
  5. Step 5: Solve for x
    x = 5,179,292.13/2,614.40
  6. Step 6: Final answer
    x = 1,981.06

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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.