Home / 1,613.27-2,417.74-745.67

Finding the Fourth Proportional to 1,613.27, 2,417.74 and 745.67

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Solution

The fourth proportional to 1,613.27, 2,417.74 and 745.67 is: 1,117.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.27 : 2,417.74 = 745.67 : x
  2. Step 2: Convert to fraction form
    1,613.27/2,417.74 = 745.67/x
  3. Step 3: Cross multiply
    1,613.27x = 2,417.74 × 745.67
  4. Step 4: Simplify right side
    1,613.27x = 1,802,836.19
  5. Step 5: Solve for x
    x = 1,802,836.19/1,613.27
  6. Step 6: Final answer
    x = 1,117.50

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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.