Home / 2,403.84-3,316.53-1,409.10

Finding the Fourth Proportional to 2,403.84, 3,316.53 and 1,409.10

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Solution

The fourth proportional to 2,403.84, 3,316.53 and 1,409.10 is: 1,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.84 : 3,316.53 = 1,409.10 : x
  2. Step 2: Convert to fraction form
    2,403.84/3,316.53 = 1,409.10/x
  3. Step 3: Cross multiply
    2,403.84x = 3,316.53 × 1,409.10
  4. Step 4: Simplify right side
    2,403.84x = 4,673,322.42
  5. Step 5: Solve for x
    x = 4,673,322.42/2,403.84
  6. Step 6: Final answer
    x = 1,944.11

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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.