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Finding the Fourth Proportional to 1,670.08, 2,502.96 and 1,156

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Solution

The fourth proportional to 1,670.08, 2,502.96 and 1,156 is: 1,732.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.08 : 2,502.96 = 1,156 : x
  2. Step 2: Convert to fraction form
    1,670.08/2,502.96 = 1,156/x
  3. Step 3: Cross multiply
    1,670.08x = 2,502.96 × 1,156
  4. Step 4: Simplify right side
    1,670.08x = 2,893,421.76
  5. Step 5: Solve for x
    x = 2,893,421.76/1,670.08
  6. Step 6: Final answer
    x = 1,732.50

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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.