Home / 2,341.09-3,512.35-1,405.08

Finding the Fourth Proportional to 2,341.09, 3,512.35 and 1,405.08

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Solution

The fourth proportional to 2,341.09, 3,512.35 and 1,405.08 is: 2,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.09 : 3,512.35 = 1,405.08 : x
  2. Step 2: Convert to fraction form
    2,341.09/3,512.35 = 1,405.08/x
  3. Step 3: Cross multiply
    2,341.09x = 3,512.35 × 1,405.08
  4. Step 4: Simplify right side
    2,341.09x = 4,935,115.18
  5. Step 5: Solve for x
    x = 4,935,115.18/2,341.09
  6. Step 6: Final answer
    x = 2,108.05

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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.