Home / 2,045.48-2,821.21-1,417.06

Finding the Fourth Proportional to 2,045.48, 2,821.21 and 1,417.06

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Solution

The fourth proportional to 2,045.48, 2,821.21 and 1,417.06 is: 1,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.48 : 2,821.21 = 1,417.06 : x
  2. Step 2: Convert to fraction form
    2,045.48/2,821.21 = 1,417.06/x
  3. Step 3: Cross multiply
    2,045.48x = 2,821.21 × 1,417.06
  4. Step 4: Simplify right side
    2,045.48x = 3,997,823.84
  5. Step 5: Solve for x
    x = 3,997,823.84/2,045.48
  6. Step 6: Final answer
    x = 1,954.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.