Home / 1,532.79-2,302.97-1,274.67

Finding the Fourth Proportional to 1,532.79, 2,302.97 and 1,274.67

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Solution

The fourth proportional to 1,532.79, 2,302.97 and 1,274.67 is: 1,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.79 : 2,302.97 = 1,274.67 : x
  2. Step 2: Convert to fraction form
    1,532.79/2,302.97 = 1,274.67/x
  3. Step 3: Cross multiply
    1,532.79x = 2,302.97 × 1,274.67
  4. Step 4: Simplify right side
    1,532.79x = 2,935,520.40
  5. Step 5: Solve for x
    x = 2,935,520.40/1,532.79
  6. Step 6: Final answer
    x = 1,915.15

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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.