Home / 1,260.58-1,890.50-530.02

Finding the Fourth Proportional to 1,260.58, 1,890.50 and 530.02

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Solution

The fourth proportional to 1,260.58, 1,890.50 and 530.02 is: 794.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.58 : 1,890.50 = 530.02 : x
  2. Step 2: Convert to fraction form
    1,260.58/1,890.50 = 530.02/x
  3. Step 3: Cross multiply
    1,260.58x = 1,890.50 × 530.02
  4. Step 4: Simplify right side
    1,260.58x = 1,002,002.81
  5. Step 5: Solve for x
    x = 1,002,002.81/1,260.58
  6. Step 6: Final answer
    x = 794.87

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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.