Home / 2,913.36-4,362.92-1,870.08

Finding the Fourth Proportional to 2,913.36, 4,362.92 and 1,870.08

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Solution

The fourth proportional to 2,913.36, 4,362.92 and 1,870.08 is: 2,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.36 : 4,362.92 = 1,870.08 : x
  2. Step 2: Convert to fraction form
    2,913.36/4,362.92 = 1,870.08/x
  3. Step 3: Cross multiply
    2,913.36x = 4,362.92 × 1,870.08
  4. Step 4: Simplify right side
    2,913.36x = 8,159,009.43
  5. Step 5: Solve for x
    x = 8,159,009.43/2,913.36
  6. Step 6: Final answer
    x = 2,800.55

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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.