Home / 1,751.46-2,415.01-1,308.62

Finding the Fourth Proportional to 1,751.46, 2,415.01 and 1,308.62

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Solution

The fourth proportional to 1,751.46, 2,415.01 and 1,308.62 is: 1,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.46 : 2,415.01 = 1,308.62 : x
  2. Step 2: Convert to fraction form
    1,751.46/2,415.01 = 1,308.62/x
  3. Step 3: Cross multiply
    1,751.46x = 2,415.01 × 1,308.62
  4. Step 4: Simplify right side
    1,751.46x = 3,160,330.39
  5. Step 5: Solve for x
    x = 3,160,330.39/1,751.46
  6. Step 6: Final answer
    x = 1,804.40

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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.