Home / 2,319.04-3,459.20-2,100.16

Finding the Fourth Proportional to 2,319.04, 3,459.20 and 2,100.16

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Solution

The fourth proportional to 2,319.04, 3,459.20 and 2,100.16 is: 3,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.04 : 3,459.20 = 2,100.16 : x
  2. Step 2: Convert to fraction form
    2,319.04/3,459.20 = 2,100.16/x
  3. Step 3: Cross multiply
    2,319.04x = 3,459.20 × 2,100.16
  4. Step 4: Simplify right side
    2,319.04x = 7,264,873.47
  5. Step 5: Solve for x
    x = 7,264,873.47/2,319.04
  6. Step 6: Final answer
    x = 3,132.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.