Home / 1,485.67-2,035.34-1,430.29

Finding the Fourth Proportional to 1,485.67, 2,035.34 and 1,430.29

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Solution

The fourth proportional to 1,485.67, 2,035.34 and 1,430.29 is: 1,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.67 : 2,035.34 = 1,430.29 : x
  2. Step 2: Convert to fraction form
    1,485.67/2,035.34 = 1,430.29/x
  3. Step 3: Cross multiply
    1,485.67x = 2,035.34 × 1,430.29
  4. Step 4: Simplify right side
    1,485.67x = 2,911,126.45
  5. Step 5: Solve for x
    x = 2,911,126.45/1,485.67
  6. Step 6: Final answer
    x = 1,959.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.