Home / 1,533.35-2,115.29-1,036.16

Finding the Fourth Proportional to 1,533.35, 2,115.29 and 1,036.16

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Solution

The fourth proportional to 1,533.35, 2,115.29 and 1,036.16 is: 1,429.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.35 : 2,115.29 = 1,036.16 : x
  2. Step 2: Convert to fraction form
    1,533.35/2,115.29 = 1,036.16/x
  3. Step 3: Cross multiply
    1,533.35x = 2,115.29 × 1,036.16
  4. Step 4: Simplify right side
    1,533.35x = 2,191,778.83
  5. Step 5: Solve for x
    x = 2,191,778.83/1,533.35
  6. Step 6: Final answer
    x = 1,429.40

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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.