Home / 1,913.57-2,870.80-1,036.94

Finding the Fourth Proportional to 1,913.57, 2,870.80 and 1,036.94

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Solution

The fourth proportional to 1,913.57, 2,870.80 and 1,036.94 is: 1,555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.57 : 2,870.80 = 1,036.94 : x
  2. Step 2: Convert to fraction form
    1,913.57/2,870.80 = 1,036.94/x
  3. Step 3: Cross multiply
    1,913.57x = 2,870.80 × 1,036.94
  4. Step 4: Simplify right side
    1,913.57x = 2,976,847.35
  5. Step 5: Solve for x
    x = 2,976,847.35/1,913.57
  6. Step 6: Final answer
    x = 1,555.66

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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.