Home / 1,711.95-2,362.46-1,013.55

Finding the Fourth Proportional to 1,711.95, 2,362.46 and 1,013.55

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Solution

The fourth proportional to 1,711.95, 2,362.46 and 1,013.55 is: 1,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.95 : 2,362.46 = 1,013.55 : x
  2. Step 2: Convert to fraction form
    1,711.95/2,362.46 = 1,013.55/x
  3. Step 3: Cross multiply
    1,711.95x = 2,362.46 × 1,013.55
  4. Step 4: Simplify right side
    1,711.95x = 2,394,466.27
  5. Step 5: Solve for x
    x = 2,394,466.27/1,711.95
  6. Step 6: Final answer
    x = 1,398.68

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1.5x scale

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.