Home / 1,626.90-2,246.01-1,123.50

Finding the Fourth Proportional to 1,626.90, 2,246.01 and 1,123.50

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Solution

The fourth proportional to 1,626.90, 2,246.01 and 1,123.50 is: 1,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.90 : 2,246.01 = 1,123.50 : x
  2. Step 2: Convert to fraction form
    1,626.90/2,246.01 = 1,123.50/x
  3. Step 3: Cross multiply
    1,626.90x = 2,246.01 × 1,123.50
  4. Step 4: Simplify right side
    1,626.90x = 2,523,392.24
  5. Step 5: Solve for x
    x = 2,523,392.24/1,626.90
  6. Step 6: Final answer
    x = 1,551.04

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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.