Home / 2,281.10-3,148.51-1,486.60

Finding the Fourth Proportional to 2,281.10, 3,148.51 and 1,486.60

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Solution

The fourth proportional to 2,281.10, 3,148.51 and 1,486.60 is: 2,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.10 : 3,148.51 = 1,486.60 : x
  2. Step 2: Convert to fraction form
    2,281.10/3,148.51 = 1,486.60/x
  3. Step 3: Cross multiply
    2,281.10x = 3,148.51 × 1,486.60
  4. Step 4: Simplify right side
    2,281.10x = 4,680,574.97
  5. Step 5: Solve for x
    x = 4,680,574.97/2,281.10
  6. Step 6: Final answer
    x = 2,051.89

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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.