Home / 1,535.62-2,116.08-1,069.06

Finding the Fourth Proportional to 1,535.62, 2,116.08 and 1,069.06

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Solution

The fourth proportional to 1,535.62, 2,116.08 and 1,069.06 is: 1,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.62 : 2,116.08 = 1,069.06 : x
  2. Step 2: Convert to fraction form
    1,535.62/2,116.08 = 1,069.06/x
  3. Step 3: Cross multiply
    1,535.62x = 2,116.08 × 1,069.06
  4. Step 4: Simplify right side
    1,535.62x = 2,262,216.48
  5. Step 5: Solve for x
    x = 2,262,216.48/1,535.62
  6. Step 6: Final answer
    x = 1,473.16

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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.