Home / 1,564.08-2,160.09-1,068.03

Finding the Fourth Proportional to 1,564.08, 2,160.09 and 1,068.03

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Solution

The fourth proportional to 1,564.08, 2,160.09 and 1,068.03 is: 1,475.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564.08 : 2,160.09 = 1,068.03 : x
  2. Step 2: Convert to fraction form
    1,564.08/2,160.09 = 1,068.03/x
  3. Step 3: Cross multiply
    1,564.08x = 2,160.09 × 1,068.03
  4. Step 4: Simplify right side
    1,564.08x = 2,307,040.92
  5. Step 5: Solve for x
    x = 2,307,040.92/1,564.08
  6. Step 6: Final answer
    x = 1,475.01

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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.