Home / 3,001.89-4,142.58-1,675.50

Finding the Fourth Proportional to 3,001.89, 4,142.58 and 1,675.50

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Solution

The fourth proportional to 3,001.89, 4,142.58 and 1,675.50 is: 2,312.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.89 : 4,142.58 = 1,675.50 : x
  2. Step 2: Convert to fraction form
    3,001.89/4,142.58 = 1,675.50/x
  3. Step 3: Cross multiply
    3,001.89x = 4,142.58 × 1,675.50
  4. Step 4: Simplify right side
    3,001.89x = 6,940,892.79
  5. Step 5: Solve for x
    x = 6,940,892.79/3,001.89
  6. Step 6: Final answer
    x = 2,312.17

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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.