Home / 2,869.70-4,302.38-1,407.38

Finding the Fourth Proportional to 2,869.70, 4,302.38 and 1,407.38

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Solution

The fourth proportional to 2,869.70, 4,302.38 and 1,407.38 is: 2,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.70 : 4,302.38 = 1,407.38 : x
  2. Step 2: Convert to fraction form
    2,869.70/4,302.38 = 1,407.38/x
  3. Step 3: Cross multiply
    2,869.70x = 4,302.38 × 1,407.38
  4. Step 4: Simplify right side
    2,869.70x = 6,055,065.57
  5. Step 5: Solve for x
    x = 6,055,065.57/2,869.70
  6. Step 6: Final answer
    x = 2,110.00

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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.