Home / 2,913.59-4,019.70-1,653.92

Finding the Fourth Proportional to 2,913.59, 4,019.70 and 1,653.92

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Solution

The fourth proportional to 2,913.59, 4,019.70 and 1,653.92 is: 2,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.59 : 4,019.70 = 1,653.92 : x
  2. Step 2: Convert to fraction form
    2,913.59/4,019.70 = 1,653.92/x
  3. Step 3: Cross multiply
    2,913.59x = 4,019.70 × 1,653.92
  4. Step 4: Simplify right side
    2,913.59x = 6,648,242.13
  5. Step 5: Solve for x
    x = 6,648,242.13/2,913.59
  6. Step 6: Final answer
    x = 2,281.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.