Home / 1,535.24-2,303.16-439.61

Finding the Fourth Proportional to 1,535.24, 2,303.16 and 439.61

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Solution

The fourth proportional to 1,535.24, 2,303.16 and 439.61 is: 659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.24 : 2,303.16 = 439.61 : x
  2. Step 2: Convert to fraction form
    1,535.24/2,303.16 = 439.61/x
  3. Step 3: Cross multiply
    1,535.24x = 2,303.16 × 439.61
  4. Step 4: Simplify right side
    1,535.24x = 1,012,480.65
  5. Step 5: Solve for x
    x = 1,012,480.65/1,535.24
  6. Step 6: Final answer
    x = 659.50

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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.