Home / 1,534.70-2,290.26-1,370.67

Finding the Fourth Proportional to 1,534.70, 2,290.26 and 1,370.67

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Solution

The fourth proportional to 1,534.70, 2,290.26 and 1,370.67 is: 2,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.70 : 2,290.26 = 1,370.67 : x
  2. Step 2: Convert to fraction form
    1,534.70/2,290.26 = 1,370.67/x
  3. Step 3: Cross multiply
    1,534.70x = 2,290.26 × 1,370.67
  4. Step 4: Simplify right side
    1,534.70x = 3,139,190.67
  5. Step 5: Solve for x
    x = 3,139,190.67/1,534.70
  6. Step 6: Final answer
    x = 2,045.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.