Home / 2,031.08-2,802.74-1,146.89

Finding the Fourth Proportional to 2,031.08, 2,802.74 and 1,146.89

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Solution

The fourth proportional to 2,031.08, 2,802.74 and 1,146.89 is: 1,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.08 : 2,802.74 = 1,146.89 : x
  2. Step 2: Convert to fraction form
    2,031.08/2,802.74 = 1,146.89/x
  3. Step 3: Cross multiply
    2,031.08x = 2,802.74 × 1,146.89
  4. Step 4: Simplify right side
    2,031.08x = 3,214,435.75
  5. Step 5: Solve for x
    x = 3,214,435.75/2,031.08
  6. Step 6: Final answer
    x = 1,582.63

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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.