Home / 3,535.71-5,303.67-1,687.02

Finding the Fourth Proportional to 3,535.71, 5,303.67 and 1,687.02

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Solution

The fourth proportional to 3,535.71, 5,303.67 and 1,687.02 is: 2,530.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.71 : 5,303.67 = 1,687.02 : x
  2. Step 2: Convert to fraction form
    3,535.71/5,303.67 = 1,687.02/x
  3. Step 3: Cross multiply
    3,535.71x = 5,303.67 × 1,687.02
  4. Step 4: Simplify right side
    3,535.71x = 8,947,397.36
  5. Step 5: Solve for x
    x = 8,947,397.36/3,535.71
  6. Step 6: Final answer
    x = 2,530.58

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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.