Home / 1,533.40-2,297.40-1,259.08

Finding the Fourth Proportional to 1,533.40, 2,297.40 and 1,259.08

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Solution

The fourth proportional to 1,533.40, 2,297.40 and 1,259.08 is: 1,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.40 : 2,297.40 = 1,259.08 : x
  2. Step 2: Convert to fraction form
    1,533.40/2,297.40 = 1,259.08/x
  3. Step 3: Cross multiply
    1,533.40x = 2,297.40 × 1,259.08
  4. Step 4: Simplify right side
    1,533.40x = 2,892,610.39
  5. Step 5: Solve for x
    x = 2,892,610.39/1,533.40
  6. Step 6: Final answer
    x = 1,886.40

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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.