Home / 1,764.28-2,434.64-1,018.26

Finding the Fourth Proportional to 1,764.28, 2,434.64 and 1,018.26

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Solution

The fourth proportional to 1,764.28, 2,434.64 and 1,018.26 is: 1,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.28 : 2,434.64 = 1,018.26 : x
  2. Step 2: Convert to fraction form
    1,764.28/2,434.64 = 1,018.26/x
  3. Step 3: Cross multiply
    1,764.28x = 2,434.64 × 1,018.26
  4. Step 4: Simplify right side
    1,764.28x = 2,479,096.53
  5. Step 5: Solve for x
    x = 2,479,096.53/1,764.28
  6. Step 6: Final answer
    x = 1,405.16

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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.