Home / 2,607.54-3,598.40-1,428.66

Finding the Fourth Proportional to 2,607.54, 3,598.40 and 1,428.66

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Solution

The fourth proportional to 2,607.54, 3,598.40 and 1,428.66 is: 1,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.54 : 3,598.40 = 1,428.66 : x
  2. Step 2: Convert to fraction form
    2,607.54/3,598.40 = 1,428.66/x
  3. Step 3: Cross multiply
    2,607.54x = 3,598.40 × 1,428.66
  4. Step 4: Simplify right side
    2,607.54x = 5,140,883.00
  5. Step 5: Solve for x
    x = 5,140,883.00/2,607.54
  6. Step 6: Final answer
    x = 1,971.55

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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.