Home / 1,417.92-2,135.23-1,237.44

Finding the Fourth Proportional to 1,417.92, 2,135.23 and 1,237.44

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Solution

The fourth proportional to 1,417.92, 2,135.23 and 1,237.44 is: 1,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.92 : 2,135.23 = 1,237.44 : x
  2. Step 2: Convert to fraction form
    1,417.92/2,135.23 = 1,237.44/x
  3. Step 3: Cross multiply
    1,417.92x = 2,135.23 × 1,237.44
  4. Step 4: Simplify right side
    1,417.92x = 2,642,219.01
  5. Step 5: Solve for x
    x = 2,642,219.01/1,417.92
  6. Step 6: Final answer
    x = 1,863.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.