Home / 1,560.53-2,153.45-1,001.03

Finding the Fourth Proportional to 1,560.53, 2,153.45 and 1,001.03

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Solution

The fourth proportional to 1,560.53, 2,153.45 and 1,001.03 is: 1,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.53 : 2,153.45 = 1,001.03 : x
  2. Step 2: Convert to fraction form
    1,560.53/2,153.45 = 1,001.03/x
  3. Step 3: Cross multiply
    1,560.53x = 2,153.45 × 1,001.03
  4. Step 4: Simplify right side
    1,560.53x = 2,155,659.79
  5. Step 5: Solve for x
    x = 2,155,659.79/1,560.53
  6. Step 6: Final answer
    x = 1,381.36

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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.