Home / 1,560.22-2,152.44-1,000.51

Finding the Fourth Proportional to 1,560.22, 2,152.44 and 1,000.51

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Solution

The fourth proportional to 1,560.22, 2,152.44 and 1,000.51 is: 1,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.22 : 2,152.44 = 1,000.51 : x
  2. Step 2: Convert to fraction form
    1,560.22/2,152.44 = 1,000.51/x
  3. Step 3: Cross multiply
    1,560.22x = 2,152.44 × 1,000.51
  4. Step 4: Simplify right side
    1,560.22x = 2,153,532.36
  5. Step 5: Solve for x
    x = 2,153,532.36/1,560.22
  6. Step 6: Final answer
    x = 1,380.28

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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.