Home / 2,473.79-3,707.51-1,011.20

Finding the Fourth Proportional to 2,473.79, 3,707.51 and 1,011.20

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Solution

The fourth proportional to 2,473.79, 3,707.51 and 1,011.20 is: 1,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,473.79 : 3,707.51 = 1,011.20 : x
  2. Step 2: Convert to fraction form
    2,473.79/3,707.51 = 1,011.20/x
  3. Step 3: Cross multiply
    2,473.79x = 3,707.51 × 1,011.20
  4. Step 4: Simplify right side
    2,473.79x = 3,749,039.91
  5. Step 5: Solve for x
    x = 3,749,039.91/2,473.79
  6. Step 6: Final answer
    x = 1,515.50

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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.