Home / 2,095.16-3,142.74-1,118.30

Finding the Fourth Proportional to 2,095.16, 3,142.74 and 1,118.30

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Solution

The fourth proportional to 2,095.16, 3,142.74 and 1,118.30 is: 1,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.16 : 3,142.74 = 1,118.30 : x
  2. Step 2: Convert to fraction form
    2,095.16/3,142.74 = 1,118.30/x
  3. Step 3: Cross multiply
    2,095.16x = 3,142.74 × 1,118.30
  4. Step 4: Simplify right side
    2,095.16x = 3,514,526.14
  5. Step 5: Solve for x
    x = 3,514,526.14/2,095.16
  6. Step 6: Final answer
    x = 1,677.45

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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.