Home / 2,113.40-3,170.10-1,527.17

Finding the Fourth Proportional to 2,113.40, 3,170.10 and 1,527.17

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Solution

The fourth proportional to 2,113.40, 3,170.10 and 1,527.17 is: 2,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.40 : 3,170.10 = 1,527.17 : x
  2. Step 2: Convert to fraction form
    2,113.40/3,170.10 = 1,527.17/x
  3. Step 3: Cross multiply
    2,113.40x = 3,170.10 × 1,527.17
  4. Step 4: Simplify right side
    2,113.40x = 4,841,281.62
  5. Step 5: Solve for x
    x = 4,841,281.62/2,113.40
  6. Step 6: Final answer
    x = 2,290.76

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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.