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Finding the Fourth Proportional to 1,295.15, 1,941.10 and 1,020.16

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Solution

The fourth proportional to 1,295.15, 1,941.10 and 1,020.16 is: 1,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.15 : 1,941.10 = 1,020.16 : x
  2. Step 2: Convert to fraction form
    1,295.15/1,941.10 = 1,020.16/x
  3. Step 3: Cross multiply
    1,295.15x = 1,941.10 × 1,020.16
  4. Step 4: Simplify right side
    1,295.15x = 1,980,232.58
  5. Step 5: Solve for x
    x = 1,980,232.58/1,295.15
  6. Step 6: Final answer
    x = 1,528.96

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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.