Home / 1,672.14-2,307.57-973.50

Finding the Fourth Proportional to 1,672.14, 2,307.57 and 973.50

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Solution

The fourth proportional to 1,672.14, 2,307.57 and 973.50 is: 1,343.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.14 : 2,307.57 = 973.50 : x
  2. Step 2: Convert to fraction form
    1,672.14/2,307.57 = 973.50/x
  3. Step 3: Cross multiply
    1,672.14x = 2,307.57 × 973.50
  4. Step 4: Simplify right side
    1,672.14x = 2,246,419.40
  5. Step 5: Solve for x
    x = 2,246,419.40/1,672.14
  6. Step 6: Final answer
    x = 1,343.44

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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.