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Finding the Fourth Proportional to 2,957.76, 4,434.96 and 1,495.68

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Solution

The fourth proportional to 2,957.76, 4,434.96 and 1,495.68 is: 2,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.76 : 4,434.96 = 1,495.68 : x
  2. Step 2: Convert to fraction form
    2,957.76/4,434.96 = 1,495.68/x
  3. Step 3: Cross multiply
    2,957.76x = 4,434.96 × 1,495.68
  4. Step 4: Simplify right side
    2,957.76x = 6,633,280.97
  5. Step 5: Solve for x
    x = 6,633,280.97/2,957.76
  6. Step 6: Final answer
    x = 2,242.67

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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.