Home / 1,693.48-2,336.70-1,030.12

Finding the Fourth Proportional to 1,693.48, 2,336.70 and 1,030.12

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Solution

The fourth proportional to 1,693.48, 2,336.70 and 1,030.12 is: 1,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.48 : 2,336.70 = 1,030.12 : x
  2. Step 2: Convert to fraction form
    1,693.48/2,336.70 = 1,030.12/x
  3. Step 3: Cross multiply
    1,693.48x = 2,336.70 × 1,030.12
  4. Step 4: Simplify right side
    1,693.48x = 2,407,081.40
  5. Step 5: Solve for x
    x = 2,407,081.40/1,693.48
  6. Step 6: Final answer
    x = 1,421.38

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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.