Home / 2,888.16-3,985.50-1,629.42

Finding the Fourth Proportional to 2,888.16, 3,985.50 and 1,629.42

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Solution

The fourth proportional to 2,888.16, 3,985.50 and 1,629.42 is: 2,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.16 : 3,985.50 = 1,629.42 : x
  2. Step 2: Convert to fraction form
    2,888.16/3,985.50 = 1,629.42/x
  3. Step 3: Cross multiply
    2,888.16x = 3,985.50 × 1,629.42
  4. Step 4: Simplify right side
    2,888.16x = 6,494,053.41
  5. Step 5: Solve for x
    x = 6,494,053.41/2,888.16
  6. Step 6: Final answer
    x = 2,248.51

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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.