Home / 1,424.17-2,130.08-837.77

Finding the Fourth Proportional to 1,424.17, 2,130.08 and 837.77

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Solution

The fourth proportional to 1,424.17, 2,130.08 and 837.77 is: 1,253.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.17 : 2,130.08 = 837.77 : x
  2. Step 2: Convert to fraction form
    1,424.17/2,130.08 = 837.77/x
  3. Step 3: Cross multiply
    1,424.17x = 2,130.08 × 837.77
  4. Step 4: Simplify right side
    1,424.17x = 1,784,512.93
  5. Step 5: Solve for x
    x = 1,784,512.93/1,424.17
  6. Step 6: Final answer
    x = 1,253.02

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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.