Home / 1,913.37-2,639.07-1,756.50

Finding the Fourth Proportional to 1,913.37, 2,639.07 and 1,756.50

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Solution

The fourth proportional to 1,913.37, 2,639.07 and 1,756.50 is: 2,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.37 : 2,639.07 = 1,756.50 : x
  2. Step 2: Convert to fraction form
    1,913.37/2,639.07 = 1,756.50/x
  3. Step 3: Cross multiply
    1,913.37x = 2,639.07 × 1,756.50
  4. Step 4: Simplify right side
    1,913.37x = 4,635,526.46
  5. Step 5: Solve for x
    x = 4,635,526.46/1,913.37
  6. Step 6: Final answer
    x = 2,422.70

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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.