Home / 1,535.32-2,291.81-1,340.92

Finding the Fourth Proportional to 1,535.32, 2,291.81 and 1,340.92

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Solution

The fourth proportional to 1,535.32, 2,291.81 and 1,340.92 is: 2,001.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.32 : 2,291.81 = 1,340.92 : x
  2. Step 2: Convert to fraction form
    1,535.32/2,291.81 = 1,340.92/x
  3. Step 3: Cross multiply
    1,535.32x = 2,291.81 × 1,340.92
  4. Step 4: Simplify right side
    1,535.32x = 3,073,133.87
  5. Step 5: Solve for x
    x = 3,073,133.87/1,535.32
  6. Step 6: Final answer
    x = 2,001.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.