Home / 2,591.52-3,576.85-1,707.40

Finding the Fourth Proportional to 2,591.52, 3,576.85 and 1,707.40

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Solution

The fourth proportional to 2,591.52, 3,576.85 and 1,707.40 is: 2,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.52 : 3,576.85 = 1,707.40 : x
  2. Step 2: Convert to fraction form
    2,591.52/3,576.85 = 1,707.40/x
  3. Step 3: Cross multiply
    2,591.52x = 3,576.85 × 1,707.40
  4. Step 4: Simplify right side
    2,591.52x = 6,107,113.69
  5. Step 5: Solve for x
    x = 6,107,113.69/2,591.52
  6. Step 6: Final answer
    x = 2,356.58

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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.