Home / 2,430.90-3,641.31-1,133.46

Finding the Fourth Proportional to 2,430.90, 3,641.31 and 1,133.46

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Solution

The fourth proportional to 2,430.90, 3,641.31 and 1,133.46 is: 1,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.90 : 3,641.31 = 1,133.46 : x
  2. Step 2: Convert to fraction form
    2,430.90/3,641.31 = 1,133.46/x
  3. Step 3: Cross multiply
    2,430.90x = 3,641.31 × 1,133.46
  4. Step 4: Simplify right side
    2,430.90x = 4,127,279.23
  5. Step 5: Solve for x
    x = 4,127,279.23/2,430.90
  6. Step 6: Final answer
    x = 1,697.84

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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.