Home / 2,799.08-3,862.58-1,557

Finding the Fourth Proportional to 2,799.08, 3,862.58 and 1,557

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Solution

The fourth proportional to 2,799.08, 3,862.58 and 1,557 is: 2,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.08 : 3,862.58 = 1,557 : x
  2. Step 2: Convert to fraction form
    2,799.08/3,862.58 = 1,557/x
  3. Step 3: Cross multiply
    2,799.08x = 3,862.58 × 1,557
  4. Step 4: Simplify right side
    2,799.08x = 6,014,037.06
  5. Step 5: Solve for x
    x = 6,014,037.06/2,799.08
  6. Step 6: Final answer
    x = 2,148.58

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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.