Home / 1,750.22-2,415.80-1,153.15

Finding the Fourth Proportional to 1,750.22, 2,415.80 and 1,153.15

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Solution

The fourth proportional to 1,750.22, 2,415.80 and 1,153.15 is: 1,591.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.22 : 2,415.80 = 1,153.15 : x
  2. Step 2: Convert to fraction form
    1,750.22/2,415.80 = 1,153.15/x
  3. Step 3: Cross multiply
    1,750.22x = 2,415.80 × 1,153.15
  4. Step 4: Simplify right side
    1,750.22x = 2,785,779.77
  5. Step 5: Solve for x
    x = 2,785,779.77/1,750.22
  6. Step 6: Final answer
    x = 1,591.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.