Home / 2,030.40-3,045.51-1,206.86

Finding the Fourth Proportional to 2,030.40, 3,045.51 and 1,206.86

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Solution

The fourth proportional to 2,030.40, 3,045.51 and 1,206.86 is: 1,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.40 : 3,045.51 = 1,206.86 : x
  2. Step 2: Convert to fraction form
    2,030.40/3,045.51 = 1,206.86/x
  3. Step 3: Cross multiply
    2,030.40x = 3,045.51 × 1,206.86
  4. Step 4: Simplify right side
    2,030.40x = 3,675,499.60
  5. Step 5: Solve for x
    x = 3,675,499.60/2,030.40
  6. Step 6: Final answer
    x = 1,810.23

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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.