Home / 1,430.24-1,974.39-1,010.93

Finding the Fourth Proportional to 1,430.24, 1,974.39 and 1,010.93

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Solution

The fourth proportional to 1,430.24, 1,974.39 and 1,010.93 is: 1,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430.24 : 1,974.39 = 1,010.93 : x
  2. Step 2: Convert to fraction form
    1,430.24/1,974.39 = 1,010.93/x
  3. Step 3: Cross multiply
    1,430.24x = 1,974.39 × 1,010.93
  4. Step 4: Simplify right side
    1,430.24x = 1,995,970.08
  5. Step 5: Solve for x
    x = 1,995,970.08/1,430.24
  6. Step 6: Final answer
    x = 1,395.55

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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.