Home / 1,730.99-2,387.45-1,101.62

Finding the Fourth Proportional to 1,730.99, 2,387.45 and 1,101.62

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Solution

The fourth proportional to 1,730.99, 2,387.45 and 1,101.62 is: 1,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.99 : 2,387.45 = 1,101.62 : x
  2. Step 2: Convert to fraction form
    1,730.99/2,387.45 = 1,101.62/x
  3. Step 3: Cross multiply
    1,730.99x = 2,387.45 × 1,101.62
  4. Step 4: Simplify right side
    1,730.99x = 2,630,057.16
  5. Step 5: Solve for x
    x = 2,630,057.16/1,730.99
  6. Step 6: Final answer
    x = 1,519.39

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1.5x scale

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.