Home / 1,575.56-2,360.10-1,393.40

Finding the Fourth Proportional to 1,575.56, 2,360.10 and 1,393.40

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Solution

The fourth proportional to 1,575.56, 2,360.10 and 1,393.40 is: 2,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.56 : 2,360.10 = 1,393.40 : x
  2. Step 2: Convert to fraction form
    1,575.56/2,360.10 = 1,393.40/x
  3. Step 3: Cross multiply
    1,575.56x = 2,360.10 × 1,393.40
  4. Step 4: Simplify right side
    1,575.56x = 3,288,563.34
  5. Step 5: Solve for x
    x = 3,288,563.34/1,575.56
  6. Step 6: Final answer
    x = 2,087.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.