Home / 2,307.93-3,186.09-1,424.22

Finding the Fourth Proportional to 2,307.93, 3,186.09 and 1,424.22

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Solution

The fourth proportional to 2,307.93, 3,186.09 and 1,424.22 is: 1,966.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.93 : 3,186.09 = 1,424.22 : x
  2. Step 2: Convert to fraction form
    2,307.93/3,186.09 = 1,424.22/x
  3. Step 3: Cross multiply
    2,307.93x = 3,186.09 × 1,424.22
  4. Step 4: Simplify right side
    2,307.93x = 4,537,693.10
  5. Step 5: Solve for x
    x = 4,537,693.10/2,307.93
  6. Step 6: Final answer
    x = 1,966.13

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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.