Home / 1,809.26-2,488.68-1,510.34

Finding the Fourth Proportional to 1,809.26, 2,488.68 and 1,510.34

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Solution

The fourth proportional to 1,809.26, 2,488.68 and 1,510.34 is: 2,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.26 : 2,488.68 = 1,510.34 : x
  2. Step 2: Convert to fraction form
    1,809.26/2,488.68 = 1,510.34/x
  3. Step 3: Cross multiply
    1,809.26x = 2,488.68 × 1,510.34
  4. Step 4: Simplify right side
    1,809.26x = 3,758,752.95
  5. Step 5: Solve for x
    x = 3,758,752.95/1,809.26
  6. Step 6: Final answer
    x = 2,077.51

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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.