Home / 3,590.81-5,388.30-1,510.67

Finding the Fourth Proportional to 3,590.81, 5,388.30 and 1,510.67

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Solution

The fourth proportional to 3,590.81, 5,388.30 and 1,510.67 is: 2,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.81 : 5,388.30 = 1,510.67 : x
  2. Step 2: Convert to fraction form
    3,590.81/5,388.30 = 1,510.67/x
  3. Step 3: Cross multiply
    3,590.81x = 5,388.30 × 1,510.67
  4. Step 4: Simplify right side
    3,590.81x = 8,139,916.22
  5. Step 5: Solve for x
    x = 8,139,916.22/3,590.81
  6. Step 6: Final answer
    x = 2,266.88

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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.