Home / 1,713.22-2,567.67-1,428.10

Finding the Fourth Proportional to 1,713.22, 2,567.67 and 1,428.10

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Solution

The fourth proportional to 1,713.22, 2,567.67 and 1,428.10 is: 2,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.22 : 2,567.67 = 1,428.10 : x
  2. Step 2: Convert to fraction form
    1,713.22/2,567.67 = 1,428.10/x
  3. Step 3: Cross multiply
    1,713.22x = 2,567.67 × 1,428.10
  4. Step 4: Simplify right side
    1,713.22x = 3,666,889.53
  5. Step 5: Solve for x
    x = 3,666,889.53/1,713.22
  6. Step 6: Final answer
    x = 2,140.35

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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.