Home / 2,507.47-3,762.08-1,120.67

Finding the Fourth Proportional to 2,507.47, 3,762.08 and 1,120.67

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Solution

The fourth proportional to 2,507.47, 3,762.08 and 1,120.67 is: 1,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,507.47 : 3,762.08 = 1,120.67 : x
  2. Step 2: Convert to fraction form
    2,507.47/3,762.08 = 1,120.67/x
  3. Step 3: Cross multiply
    2,507.47x = 3,762.08 × 1,120.67
  4. Step 4: Simplify right side
    2,507.47x = 4,216,050.19
  5. Step 5: Solve for x
    x = 4,216,050.19/2,507.47
  6. Step 6: Final answer
    x = 1,681.40

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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.