Home / 3,477.90-5,217.53-1,530.10

Finding the Fourth Proportional to 3,477.90, 5,217.53 and 1,530.10

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Solution

The fourth proportional to 3,477.90, 5,217.53 and 1,530.10 is: 2,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.90 : 5,217.53 = 1,530.10 : x
  2. Step 2: Convert to fraction form
    3,477.90/5,217.53 = 1,530.10/x
  3. Step 3: Cross multiply
    3,477.90x = 5,217.53 × 1,530.10
  4. Step 4: Simplify right side
    3,477.90x = 7,983,342.65
  5. Step 5: Solve for x
    x = 7,983,342.65/3,477.90
  6. Step 6: Final answer
    x = 2,295.45

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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.