Home / 2,031.28-3,043.72-1,570.19

Finding the Fourth Proportional to 2,031.28, 3,043.72 and 1,570.19

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Solution

The fourth proportional to 2,031.28, 3,043.72 and 1,570.19 is: 2,352.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.28 : 3,043.72 = 1,570.19 : x
  2. Step 2: Convert to fraction form
    2,031.28/3,043.72 = 1,570.19/x
  3. Step 3: Cross multiply
    2,031.28x = 3,043.72 × 1,570.19
  4. Step 4: Simplify right side
    2,031.28x = 4,779,203.49
  5. Step 5: Solve for x
    x = 4,779,203.49/2,031.28
  6. Step 6: Final answer
    x = 2,352.81

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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.