Home / 1,567.06-2,159.79-1,386.02

Finding the Fourth Proportional to 1,567.06, 2,159.79 and 1,386.02

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Solution

The fourth proportional to 1,567.06, 2,159.79 and 1,386.02 is: 1,910.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.06 : 2,159.79 = 1,386.02 : x
  2. Step 2: Convert to fraction form
    1,567.06/2,159.79 = 1,386.02/x
  3. Step 3: Cross multiply
    1,567.06x = 2,159.79 × 1,386.02
  4. Step 4: Simplify right side
    1,567.06x = 2,993,512.14
  5. Step 5: Solve for x
    x = 2,993,512.14/1,567.06
  6. Step 6: Final answer
    x = 1,910.27

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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.