Home / 2,575.18-3,862.56-1,406.08

Finding the Fourth Proportional to 2,575.18, 3,862.56 and 1,406.08

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Solution

The fourth proportional to 2,575.18, 3,862.56 and 1,406.08 is: 2,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.18 : 3,862.56 = 1,406.08 : x
  2. Step 2: Convert to fraction form
    2,575.18/3,862.56 = 1,406.08/x
  3. Step 3: Cross multiply
    2,575.18x = 3,862.56 × 1,406.08
  4. Step 4: Simplify right side
    2,575.18x = 5,431,068.36
  5. Step 5: Solve for x
    x = 5,431,068.36/2,575.18
  6. Step 6: Final answer
    x = 2,109.01

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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.