Home / 1,697.31-2,515.95-1,671.19

Finding the Fourth Proportional to 1,697.31, 2,515.95 and 1,671.19

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Solution

The fourth proportional to 1,697.31, 2,515.95 and 1,671.19 is: 2,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.31 : 2,515.95 = 1,671.19 : x
  2. Step 2: Convert to fraction form
    1,697.31/2,515.95 = 1,671.19/x
  3. Step 3: Cross multiply
    1,697.31x = 2,515.95 × 1,671.19
  4. Step 4: Simplify right side
    1,697.31x = 4,204,624.19
  5. Step 5: Solve for x
    x = 4,204,624.19/1,697.31
  6. Step 6: Final answer
    x = 2,477.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.