Home / 1,758.48-2,622.12-1,689.24

Finding the Fourth Proportional to 1,758.48, 2,622.12 and 1,689.24

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Solution

The fourth proportional to 1,758.48, 2,622.12 and 1,689.24 is: 2,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.48 : 2,622.12 = 1,689.24 : x
  2. Step 2: Convert to fraction form
    1,758.48/2,622.12 = 1,689.24/x
  3. Step 3: Cross multiply
    1,758.48x = 2,622.12 × 1,689.24
  4. Step 4: Simplify right side
    1,758.48x = 4,429,389.99
  5. Step 5: Solve for x
    x = 4,429,389.99/1,758.48
  6. Step 6: Final answer
    x = 2,518.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.