Home / 2,948.72-4,070.80-2,284.08

Finding the Fourth Proportional to 2,948.72, 4,070.80 and 2,284.08

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Solution

The fourth proportional to 2,948.72, 4,070.80 and 2,284.08 is: 3,153.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.72 : 4,070.80 = 2,284.08 : x
  2. Step 2: Convert to fraction form
    2,948.72/4,070.80 = 2,284.08/x
  3. Step 3: Cross multiply
    2,948.72x = 4,070.80 × 2,284.08
  4. Step 4: Simplify right side
    2,948.72x = 9,298,032.86
  5. Step 5: Solve for x
    x = 9,298,032.86/2,948.72
  6. Step 6: Final answer
    x = 3,153.24

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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.