Home / 2,485.26-3,430.08-1,437.93

Finding the Fourth Proportional to 2,485.26, 3,430.08 and 1,437.93

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Solution

The fourth proportional to 2,485.26, 3,430.08 and 1,437.93 is: 1,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.26 : 3,430.08 = 1,437.93 : x
  2. Step 2: Convert to fraction form
    2,485.26/3,430.08 = 1,437.93/x
  3. Step 3: Cross multiply
    2,485.26x = 3,430.08 × 1,437.93
  4. Step 4: Simplify right side
    2,485.26x = 4,932,214.93
  5. Step 5: Solve for x
    x = 4,932,214.93/2,485.26
  6. Step 6: Final answer
    x = 1,984.59

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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.