Home / 1,613.02-2,417.37-745.42

Finding the Fourth Proportional to 1,613.02, 2,417.37 and 745.42

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Solution

The fourth proportional to 1,613.02, 2,417.37 and 745.42 is: 1,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.02 : 2,417.37 = 745.42 : x
  2. Step 2: Convert to fraction form
    1,613.02/2,417.37 = 745.42/x
  3. Step 3: Cross multiply
    1,613.02x = 2,417.37 × 745.42
  4. Step 4: Simplify right side
    1,613.02x = 1,801,955.95
  5. Step 5: Solve for x
    x = 1,801,955.95/1,613.02
  6. Step 6: Final answer
    x = 1,117.13

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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.