Home / 1,682.04-2,320.68-1,018.68

Finding the Fourth Proportional to 1,682.04, 2,320.68 and 1,018.68

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Solution

The fourth proportional to 1,682.04, 2,320.68 and 1,018.68 is: 1,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.04 : 2,320.68 = 1,018.68 : x
  2. Step 2: Convert to fraction form
    1,682.04/2,320.68 = 1,018.68/x
  3. Step 3: Cross multiply
    1,682.04x = 2,320.68 × 1,018.68
  4. Step 4: Simplify right side
    1,682.04x = 2,364,030.30
  5. Step 5: Solve for x
    x = 2,364,030.30/1,682.04
  6. Step 6: Final answer
    x = 1,405.45

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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.