Home / 3,916.48-5,870.40-1,606

Finding the Fourth Proportional to 3,916.48, 5,870.40 and 1,606

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Solution

The fourth proportional to 3,916.48, 5,870.40 and 1,606 is: 2,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.48 : 5,870.40 = 1,606 : x
  2. Step 2: Convert to fraction form
    3,916.48/5,870.40 = 1,606/x
  3. Step 3: Cross multiply
    3,916.48x = 5,870.40 × 1,606
  4. Step 4: Simplify right side
    3,916.48x = 9,427,862.40
  5. Step 5: Solve for x
    x = 9,427,862.40/3,916.48
  6. Step 6: Final answer
    x = 2,407.23

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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.