Home / 4,012.74-5,528.64-2,948.40

Finding the Fourth Proportional to 4,012.74, 5,528.64 and 2,948.40

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Solution

The fourth proportional to 4,012.74, 5,528.64 and 2,948.40 is: 4,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.74 : 5,528.64 = 2,948.40 : x
  2. Step 2: Convert to fraction form
    4,012.74/5,528.64 = 2,948.40/x
  3. Step 3: Cross multiply
    4,012.74x = 5,528.64 × 2,948.40
  4. Step 4: Simplify right side
    4,012.74x = 16,300,642.18
  5. Step 5: Solve for x
    x = 16,300,642.18/4,012.74
  6. Step 6: Final answer
    x = 4,062.22

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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.