Home / 2,355.13-3,533.10-1,259.20

Finding the Fourth Proportional to 2,355.13, 3,533.10 and 1,259.20

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Solution

The fourth proportional to 2,355.13, 3,533.10 and 1,259.20 is: 1,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.13 : 3,533.10 = 1,259.20 : x
  2. Step 2: Convert to fraction form
    2,355.13/3,533.10 = 1,259.20/x
  3. Step 3: Cross multiply
    2,355.13x = 3,533.10 × 1,259.20
  4. Step 4: Simplify right side
    2,355.13x = 4,448,879.52
  5. Step 5: Solve for x
    x = 4,448,879.52/2,355.13
  6. Step 6: Final answer
    x = 1,889.02

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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.