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Finding the Fourth Proportional to 1,674.96, 2,510.68 and 578.96

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Solution

The fourth proportional to 1,674.96, 2,510.68 and 578.96 is: 867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674.96 : 2,510.68 = 578.96 : x
  2. Step 2: Convert to fraction form
    1,674.96/2,510.68 = 578.96/x
  3. Step 3: Cross multiply
    1,674.96x = 2,510.68 × 578.96
  4. Step 4: Simplify right side
    1,674.96x = 1,453,583.29
  5. Step 5: Solve for x
    x = 1,453,583.29/1,674.96
  6. Step 6: Final answer
    x = 867.83

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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.