Home / 2,430.79-3,347.53-2,314.15

Finding the Fourth Proportional to 2,430.79, 3,347.53 and 2,314.15

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Solution

The fourth proportional to 2,430.79, 3,347.53 and 2,314.15 is: 3,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.79 : 3,347.53 = 2,314.15 : x
  2. Step 2: Convert to fraction form
    2,430.79/3,347.53 = 2,314.15/x
  3. Step 3: Cross multiply
    2,430.79x = 3,347.53 × 2,314.15
  4. Step 4: Simplify right side
    2,430.79x = 7,746,672.40
  5. Step 5: Solve for x
    x = 7,746,672.40/2,430.79
  6. Step 6: Final answer
    x = 3,186.90

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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.