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Finding the Fourth Proportional to 1,595.55, 2,393.69 and 730.11

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Solution

The fourth proportional to 1,595.55, 2,393.69 and 730.11 is: 1,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.55 : 2,393.69 = 730.11 : x
  2. Step 2: Convert to fraction form
    1,595.55/2,393.69 = 730.11/x
  3. Step 3: Cross multiply
    1,595.55x = 2,393.69 × 730.11
  4. Step 4: Simplify right side
    1,595.55x = 1,747,653.36
  5. Step 5: Solve for x
    x = 1,747,653.36/1,595.55
  6. Step 6: Final answer
    x = 1,095.33

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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.