Home / 3,068.71-4,603.75-1,120.91

Finding the Fourth Proportional to 3,068.71, 4,603.75 and 1,120.91

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Solution

The fourth proportional to 3,068.71, 4,603.75 and 1,120.91 is: 1,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.71 : 4,603.75 = 1,120.91 : x
  2. Step 2: Convert to fraction form
    3,068.71/4,603.75 = 1,120.91/x
  3. Step 3: Cross multiply
    3,068.71x = 4,603.75 × 1,120.91
  4. Step 4: Simplify right side
    3,068.71x = 5,160,389.41
  5. Step 5: Solve for x
    x = 5,160,389.41/3,068.71
  6. Step 6: Final answer
    x = 1,681.62

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1.5x scale

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.