Home / 2,985.01-4,119.48-1,726.30

Finding the Fourth Proportional to 2,985.01, 4,119.48 and 1,726.30

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Solution

The fourth proportional to 2,985.01, 4,119.48 and 1,726.30 is: 2,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.01 : 4,119.48 = 1,726.30 : x
  2. Step 2: Convert to fraction form
    2,985.01/4,119.48 = 1,726.30/x
  3. Step 3: Cross multiply
    2,985.01x = 4,119.48 × 1,726.30
  4. Step 4: Simplify right side
    2,985.01x = 7,111,458.32
  5. Step 5: Solve for x
    x = 7,111,458.32/2,985.01
  6. Step 6: Final answer
    x = 2,382.39

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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.