Home / 1,516.94-2,276.28-695.12

Finding the Fourth Proportional to 1,516.94, 2,276.28 and 695.12

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Solution

The fourth proportional to 1,516.94, 2,276.28 and 695.12 is: 1,043.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.94 : 2,276.28 = 695.12 : x
  2. Step 2: Convert to fraction form
    1,516.94/2,276.28 = 695.12/x
  3. Step 3: Cross multiply
    1,516.94x = 2,276.28 × 695.12
  4. Step 4: Simplify right side
    1,516.94x = 1,582,287.75
  5. Step 5: Solve for x
    x = 1,582,287.75/1,516.94
  6. Step 6: Final answer
    x = 1,043.08

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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.