Home / 2,281.50-3,422.34-1,931.58

Finding the Fourth Proportional to 2,281.50, 3,422.34 and 1,931.58

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Solution

The fourth proportional to 2,281.50, 3,422.34 and 1,931.58 is: 2,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.50 : 3,422.34 = 1,931.58 : x
  2. Step 2: Convert to fraction form
    2,281.50/3,422.34 = 1,931.58/x
  3. Step 3: Cross multiply
    2,281.50x = 3,422.34 × 1,931.58
  4. Step 4: Simplify right side
    2,281.50x = 6,610,523.50
  5. Step 5: Solve for x
    x = 6,610,523.50/2,281.50
  6. Step 6: Final answer
    x = 2,897.45

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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.