Home / 1,690.08-2,535.04-1,533.44

Finding the Fourth Proportional to 1,690.08, 2,535.04 and 1,533.44

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Solution

The fourth proportional to 1,690.08, 2,535.04 and 1,533.44 is: 2,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.08 : 2,535.04 = 1,533.44 : x
  2. Step 2: Convert to fraction form
    1,690.08/2,535.04 = 1,533.44/x
  3. Step 3: Cross multiply
    1,690.08x = 2,535.04 × 1,533.44
  4. Step 4: Simplify right side
    1,690.08x = 3,887,331.74
  5. Step 5: Solve for x
    x = 3,887,331.74/1,690.08
  6. Step 6: Final answer
    x = 2,300.09

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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.