Home / 2,385.88-3,293.10-1,455.16

Finding the Fourth Proportional to 2,385.88, 3,293.10 and 1,455.16

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Solution

The fourth proportional to 2,385.88, 3,293.10 and 1,455.16 is: 2,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.88 : 3,293.10 = 1,455.16 : x
  2. Step 2: Convert to fraction form
    2,385.88/3,293.10 = 1,455.16/x
  3. Step 3: Cross multiply
    2,385.88x = 3,293.10 × 1,455.16
  4. Step 4: Simplify right side
    2,385.88x = 4,791,987.40
  5. Step 5: Solve for x
    x = 4,791,987.40/2,385.88
  6. Step 6: Final answer
    x = 2,008.48

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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.