Home / 2,419.40-3,337.32-1,486.28

Finding the Fourth Proportional to 2,419.40, 3,337.32 and 1,486.28

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Solution

The fourth proportional to 2,419.40, 3,337.32 and 1,486.28 is: 2,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.40 : 3,337.32 = 1,486.28 : x
  2. Step 2: Convert to fraction form
    2,419.40/3,337.32 = 1,486.28/x
  3. Step 3: Cross multiply
    2,419.40x = 3,337.32 × 1,486.28
  4. Step 4: Simplify right side
    2,419.40x = 4,960,191.97
  5. Step 5: Solve for x
    x = 4,960,191.97/2,419.40
  6. Step 6: Final answer
    x = 2,050.17

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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.