Home / 1,349.40-2,025.18-700.36

Finding the Fourth Proportional to 1,349.40, 2,025.18 and 700.36

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Solution

The fourth proportional to 1,349.40, 2,025.18 and 700.36 is: 1,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.40 : 2,025.18 = 700.36 : x
  2. Step 2: Convert to fraction form
    1,349.40/2,025.18 = 700.36/x
  3. Step 3: Cross multiply
    1,349.40x = 2,025.18 × 700.36
  4. Step 4: Simplify right side
    1,349.40x = 1,418,355.06
  5. Step 5: Solve for x
    x = 1,418,355.06/1,349.40
  6. Step 6: Final answer
    x = 1,051.10

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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.