Home / 2,070.36-3,107.60-975.50

Finding the Fourth Proportional to 2,070.36, 3,107.60 and 975.50

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Solution

The fourth proportional to 2,070.36, 3,107.60 and 975.50 is: 1,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.36 : 3,107.60 = 975.50 : x
  2. Step 2: Convert to fraction form
    2,070.36/3,107.60 = 975.50/x
  3. Step 3: Cross multiply
    2,070.36x = 3,107.60 × 975.50
  4. Step 4: Simplify right side
    2,070.36x = 3,031,463.80
  5. Step 5: Solve for x
    x = 3,031,463.80/2,070.36
  6. Step 6: Final answer
    x = 1,464.22

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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.