Home / 2,023.47-2,792.75-1,931.13

Finding the Fourth Proportional to 2,023.47, 2,792.75 and 1,931.13

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Solution

The fourth proportional to 2,023.47, 2,792.75 and 1,931.13 is: 2,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.47 : 2,792.75 = 1,931.13 : x
  2. Step 2: Convert to fraction form
    2,023.47/2,792.75 = 1,931.13/x
  3. Step 3: Cross multiply
    2,023.47x = 2,792.75 × 1,931.13
  4. Step 4: Simplify right side
    2,023.47x = 5,393,153.65
  5. Step 5: Solve for x
    x = 5,393,153.65/2,023.47
  6. Step 6: Final answer
    x = 2,665.30

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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.