Home / 1,819.02-2,509.18-1,155.33

Finding the Fourth Proportional to 1,819.02, 2,509.18 and 1,155.33

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Solution

The fourth proportional to 1,819.02, 2,509.18 and 1,155.33 is: 1,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.02 : 2,509.18 = 1,155.33 : x
  2. Step 2: Convert to fraction form
    1,819.02/2,509.18 = 1,155.33/x
  3. Step 3: Cross multiply
    1,819.02x = 2,509.18 × 1,155.33
  4. Step 4: Simplify right side
    1,819.02x = 2,898,928.04
  5. Step 5: Solve for x
    x = 2,898,928.04/1,819.02
  6. Step 6: Final answer
    x = 1,593.67

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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.