Home / 1,769.28-2,441.04-1,070.64

Finding the Fourth Proportional to 1,769.28, 2,441.04 and 1,070.64

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Solution

The fourth proportional to 1,769.28, 2,441.04 and 1,070.64 is: 1,477.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.28 : 2,441.04 = 1,070.64 : x
  2. Step 2: Convert to fraction form
    1,769.28/2,441.04 = 1,070.64/x
  3. Step 3: Cross multiply
    1,769.28x = 2,441.04 × 1,070.64
  4. Step 4: Simplify right side
    1,769.28x = 2,613,475.07
  5. Step 5: Solve for x
    x = 2,613,475.07/1,769.28
  6. Step 6: Final answer
    x = 1,477.14

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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.