Home / 1,664.40-2,506.44-1,567.20

Finding the Fourth Proportional to 1,664.40, 2,506.44 and 1,567.20

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Solution

The fourth proportional to 1,664.40, 2,506.44 and 1,567.20 is: 2,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.40 : 2,506.44 = 1,567.20 : x
  2. Step 2: Convert to fraction form
    1,664.40/2,506.44 = 1,567.20/x
  3. Step 3: Cross multiply
    1,664.40x = 2,506.44 × 1,567.20
  4. Step 4: Simplify right side
    1,664.40x = 3,928,092.77
  5. Step 5: Solve for x
    x = 3,928,092.77/1,664.40
  6. Step 6: Final answer
    x = 2,360.07

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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.