Home / 3,015.84-4,159.20-2,176.32

Finding the Fourth Proportional to 3,015.84, 4,159.20 and 2,176.32

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Solution

The fourth proportional to 3,015.84, 4,159.20 and 2,176.32 is: 3,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.84 : 4,159.20 = 2,176.32 : x
  2. Step 2: Convert to fraction form
    3,015.84/4,159.20 = 2,176.32/x
  3. Step 3: Cross multiply
    3,015.84x = 4,159.20 × 2,176.32
  4. Step 4: Simplify right side
    3,015.84x = 9,051,750.14
  5. Step 5: Solve for x
    x = 9,051,750.14/3,015.84
  6. Step 6: Final answer
    x = 3,001.40

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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.