Home / 1,573.13-2,355.57-1,325.67

Finding the Fourth Proportional to 1,573.13, 2,355.57 and 1,325.67

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Solution

The fourth proportional to 1,573.13, 2,355.57 and 1,325.67 is: 1,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.13 : 2,355.57 = 1,325.67 : x
  2. Step 2: Convert to fraction form
    1,573.13/2,355.57 = 1,325.67/x
  3. Step 3: Cross multiply
    1,573.13x = 2,355.57 × 1,325.67
  4. Step 4: Simplify right side
    1,573.13x = 3,122,708.48
  5. Step 5: Solve for x
    x = 3,122,708.48/1,573.13
  6. Step 6: Final answer
    x = 1,985.04

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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.