Home / 2,440.10-3,368.68-1,685

Finding the Fourth Proportional to 2,440.10, 3,368.68 and 1,685

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Solution

The fourth proportional to 2,440.10, 3,368.68 and 1,685 is: 2,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.10 : 3,368.68 = 1,685 : x
  2. Step 2: Convert to fraction form
    2,440.10/3,368.68 = 1,685/x
  3. Step 3: Cross multiply
    2,440.10x = 3,368.68 × 1,685
  4. Step 4: Simplify right side
    2,440.10x = 5,676,225.80
  5. Step 5: Solve for x
    x = 5,676,225.80/2,440.10
  6. Step 6: Final answer
    x = 2,326.23

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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.