Home / 1,880.16-2,819.28-1,058.22

Finding the Fourth Proportional to 1,880.16, 2,819.28 and 1,058.22

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Solution

The fourth proportional to 1,880.16, 2,819.28 and 1,058.22 is: 1,586.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.16 : 2,819.28 = 1,058.22 : x
  2. Step 2: Convert to fraction form
    1,880.16/2,819.28 = 1,058.22/x
  3. Step 3: Cross multiply
    1,880.16x = 2,819.28 × 1,058.22
  4. Step 4: Simplify right side
    1,880.16x = 2,983,418.48
  5. Step 5: Solve for x
    x = 2,983,418.48/1,880.16
  6. Step 6: Final answer
    x = 1,586.79

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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.