Home / 1,868.29-2,802.05-942.96

Finding the Fourth Proportional to 1,868.29, 2,802.05 and 942.96

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Solution

The fourth proportional to 1,868.29, 2,802.05 and 942.96 is: 1,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.29 : 2,802.05 = 942.96 : x
  2. Step 2: Convert to fraction form
    1,868.29/2,802.05 = 942.96/x
  3. Step 3: Cross multiply
    1,868.29x = 2,802.05 × 942.96
  4. Step 4: Simplify right side
    1,868.29x = 2,642,230.40
  5. Step 5: Solve for x
    x = 2,642,230.40/1,868.29
  6. Step 6: Final answer
    x = 1,414.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.