Home / 2,913.90-4,369.59-1,064.40

Finding the Fourth Proportional to 2,913.90, 4,369.59 and 1,064.40

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Solution

The fourth proportional to 2,913.90, 4,369.59 and 1,064.40 is: 1,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.90 : 4,369.59 = 1,064.40 : x
  2. Step 2: Convert to fraction form
    2,913.90/4,369.59 = 1,064.40/x
  3. Step 3: Cross multiply
    2,913.90x = 4,369.59 × 1,064.40
  4. Step 4: Simplify right side
    2,913.90x = 4,650,991.60
  5. Step 5: Solve for x
    x = 4,650,991.60/2,913.90
  6. Step 6: Final answer
    x = 1,596.14

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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.