Home / 1,690.18-2,535.27-536.02

Finding the Fourth Proportional to 1,690.18, 2,535.27 and 536.02

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Solution

The fourth proportional to 1,690.18, 2,535.27 and 536.02 is: 804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.18 : 2,535.27 = 536.02 : x
  2. Step 2: Convert to fraction form
    1,690.18/2,535.27 = 536.02/x
  3. Step 3: Cross multiply
    1,690.18x = 2,535.27 × 536.02
  4. Step 4: Simplify right side
    1,690.18x = 1,358,955.43
  5. Step 5: Solve for x
    x = 1,358,955.43/1,690.18
  6. Step 6: Final answer
    x = 804.03

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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.