Home / 1,637.40-2,456.16-541.74

Finding the Fourth Proportional to 1,637.40, 2,456.16 and 541.74

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Solution

The fourth proportional to 1,637.40, 2,456.16 and 541.74 is: 812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.40 : 2,456.16 = 541.74 : x
  2. Step 2: Convert to fraction form
    1,637.40/2,456.16 = 541.74/x
  3. Step 3: Cross multiply
    1,637.40x = 2,456.16 × 541.74
  4. Step 4: Simplify right side
    1,637.40x = 1,330,595.77
  5. Step 5: Solve for x
    x = 1,330,595.77/1,637.40
  6. Step 6: Final answer
    x = 812.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.