Home / 1,576.18-2,364.27-698.49

Finding the Fourth Proportional to 1,576.18, 2,364.27 and 698.49

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Solution

The fourth proportional to 1,576.18, 2,364.27 and 698.49 is: 1,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.18 : 2,364.27 = 698.49 : x
  2. Step 2: Convert to fraction form
    1,576.18/2,364.27 = 698.49/x
  3. Step 3: Cross multiply
    1,576.18x = 2,364.27 × 698.49
  4. Step 4: Simplify right side
    1,576.18x = 1,651,420.26
  5. Step 5: Solve for x
    x = 1,651,420.26/1,576.18
  6. Step 6: Final answer
    x = 1,047.74

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1.5x scale

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.