Home / 2,430.95-3,645.27-1,114.70

Finding the Fourth Proportional to 2,430.95, 3,645.27 and 1,114.70

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Solution

The fourth proportional to 2,430.95, 3,645.27 and 1,114.70 is: 1,671.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.95 : 3,645.27 = 1,114.70 : x
  2. Step 2: Convert to fraction form
    2,430.95/3,645.27 = 1,114.70/x
  3. Step 3: Cross multiply
    2,430.95x = 3,645.27 × 1,114.70
  4. Step 4: Simplify right side
    2,430.95x = 4,063,364.24
  5. Step 5: Solve for x
    x = 4,063,364.24/2,430.95
  6. Step 6: Final answer
    x = 1,671.52

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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.