Home / 1,672.07-2,307.45-926.06

Finding the Fourth Proportional to 1,672.07, 2,307.45 and 926.06

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Solution

The fourth proportional to 1,672.07, 2,307.45 and 926.06 is: 1,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.07 : 2,307.45 = 926.06 : x
  2. Step 2: Convert to fraction form
    1,672.07/2,307.45 = 926.06/x
  3. Step 3: Cross multiply
    1,672.07x = 2,307.45 × 926.06
  4. Step 4: Simplify right side
    1,672.07x = 2,136,829.08
  5. Step 5: Solve for x
    x = 2,136,829.08/1,672.07
  6. Step 6: Final answer
    x = 1,277.96

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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.