Home / 1,575.71-2,174.58-1,043.67

Finding the Fourth Proportional to 1,575.71, 2,174.58 and 1,043.67

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Solution

The fourth proportional to 1,575.71, 2,174.58 and 1,043.67 is: 1,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.71 : 2,174.58 = 1,043.67 : x
  2. Step 2: Convert to fraction form
    1,575.71/2,174.58 = 1,043.67/x
  3. Step 3: Cross multiply
    1,575.71x = 2,174.58 × 1,043.67
  4. Step 4: Simplify right side
    1,575.71x = 2,269,543.91
  5. Step 5: Solve for x
    x = 2,269,543.91/1,575.71
  6. Step 6: Final answer
    x = 1,440.34

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1.5x scale

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.