Home / 2,913.71-4,366.65-1,430.66

Finding the Fourth Proportional to 2,913.71, 4,366.65 and 1,430.66

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Solution

The fourth proportional to 2,913.71, 4,366.65 and 1,430.66 is: 2,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.71 : 4,366.65 = 1,430.66 : x
  2. Step 2: Convert to fraction form
    2,913.71/4,366.65 = 1,430.66/x
  3. Step 3: Cross multiply
    2,913.71x = 4,366.65 × 1,430.66
  4. Step 4: Simplify right side
    2,913.71x = 6,247,195.25
  5. Step 5: Solve for x
    x = 6,247,195.25/2,913.71
  6. Step 6: Final answer
    x = 2,144.07

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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.