Home / 2,951.10-4,426.65-1,390.59

Finding the Fourth Proportional to 2,951.10, 4,426.65 and 1,390.59

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Solution

The fourth proportional to 2,951.10, 4,426.65 and 1,390.59 is: 2,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.10 : 4,426.65 = 1,390.59 : x
  2. Step 2: Convert to fraction form
    2,951.10/4,426.65 = 1,390.59/x
  3. Step 3: Cross multiply
    2,951.10x = 4,426.65 × 1,390.59
  4. Step 4: Simplify right side
    2,951.10x = 6,155,655.22
  5. Step 5: Solve for x
    x = 6,155,655.22/2,951.10
  6. Step 6: Final answer
    x = 2,085.89

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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.