Home / 1,612.56-2,402.70-1,541.76

Finding the Fourth Proportional to 1,612.56, 2,402.70 and 1,541.76

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Solution

The fourth proportional to 1,612.56, 2,402.70 and 1,541.76 is: 2,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.56 : 2,402.70 = 1,541.76 : x
  2. Step 2: Convert to fraction form
    1,612.56/2,402.70 = 1,541.76/x
  3. Step 3: Cross multiply
    1,612.56x = 2,402.70 × 1,541.76
  4. Step 4: Simplify right side
    1,612.56x = 3,704,386.75
  5. Step 5: Solve for x
    x = 3,704,386.75/1,612.56
  6. Step 6: Final answer
    x = 2,297.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.