Home / 1,052.52-1,570.55-943.20

Finding the Fourth Proportional to 1,052.52, 1,570.55 and 943.20

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Solution

The fourth proportional to 1,052.52, 1,570.55 and 943.20 is: 1,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.52 : 1,570.55 = 943.20 : x
  2. Step 2: Convert to fraction form
    1,052.52/1,570.55 = 943.20/x
  3. Step 3: Cross multiply
    1,052.52x = 1,570.55 × 943.20
  4. Step 4: Simplify right side
    1,052.52x = 1,481,342.76
  5. Step 5: Solve for x
    x = 1,481,342.76/1,052.52
  6. Step 6: Final answer
    x = 1,407.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.