Home / 1,637.68-2,456.96-1,456.48

Finding the Fourth Proportional to 1,637.68, 2,456.96 and 1,456.48

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Solution

The fourth proportional to 1,637.68, 2,456.96 and 1,456.48 is: 2,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.68 : 2,456.96 = 1,456.48 : x
  2. Step 2: Convert to fraction form
    1,637.68/2,456.96 = 1,456.48/x
  3. Step 3: Cross multiply
    1,637.68x = 2,456.96 × 1,456.48
  4. Step 4: Simplify right side
    1,637.68x = 3,578,513.10
  5. Step 5: Solve for x
    x = 3,578,513.10/1,637.68
  6. Step 6: Final answer
    x = 2,185.11

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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.