Home / 2,186.52-3,017.36-1,242.30

Finding the Fourth Proportional to 2,186.52, 3,017.36 and 1,242.30

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Solution

The fourth proportional to 2,186.52, 3,017.36 and 1,242.30 is: 1,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.52 : 3,017.36 = 1,242.30 : x
  2. Step 2: Convert to fraction form
    2,186.52/3,017.36 = 1,242.30/x
  3. Step 3: Cross multiply
    2,186.52x = 3,017.36 × 1,242.30
  4. Step 4: Simplify right side
    2,186.52x = 3,748,466.33
  5. Step 5: Solve for x
    x = 3,748,466.33/2,186.52
  6. Step 6: Final answer
    x = 1,714.35

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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.