Home / 2,070.20-3,103.85-973.50

Finding the Fourth Proportional to 2,070.20, 3,103.85 and 973.50

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Solution

The fourth proportional to 2,070.20, 3,103.85 and 973.50 is: 1,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.20 : 3,103.85 = 973.50 : x
  2. Step 2: Convert to fraction form
    2,070.20/3,103.85 = 973.50/x
  3. Step 3: Cross multiply
    2,070.20x = 3,103.85 × 973.50
  4. Step 4: Simplify right side
    2,070.20x = 3,021,593.11
  5. Step 5: Solve for x
    x = 3,021,593.11/2,070.20
  6. Step 6: Final answer
    x = 1,459.57

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1.5x scale

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.