Home / 3,001.98-4,142.64-1,675.65

Finding the Fourth Proportional to 3,001.98, 4,142.64 and 1,675.65

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Solution

The fourth proportional to 3,001.98, 4,142.64 and 1,675.65 is: 2,312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.98 : 4,142.64 = 1,675.65 : x
  2. Step 2: Convert to fraction form
    3,001.98/4,142.64 = 1,675.65/x
  3. Step 3: Cross multiply
    3,001.98x = 4,142.64 × 1,675.65
  4. Step 4: Simplify right side
    3,001.98x = 6,941,636.53
  5. Step 5: Solve for x
    x = 6,941,636.53/3,001.98
  6. Step 6: Final answer
    x = 2,312.35

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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.