Home / 2,281.18-3,146.43-2,095.30

Finding the Fourth Proportional to 2,281.18, 3,146.43 and 2,095.30

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Solution

The fourth proportional to 2,281.18, 3,146.43 and 2,095.30 is: 2,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.18 : 3,146.43 = 2,095.30 : x
  2. Step 2: Convert to fraction form
    2,281.18/3,146.43 = 2,095.30/x
  3. Step 3: Cross multiply
    2,281.18x = 3,146.43 × 2,095.30
  4. Step 4: Simplify right side
    2,281.18x = 6,592,714.78
  5. Step 5: Solve for x
    x = 6,592,714.78/2,281.18
  6. Step 6: Final answer
    x = 2,890.05

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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.