Home / 1,206.34-1,665.93-1,030.66

Finding the Fourth Proportional to 1,206.34, 1,665.93 and 1,030.66

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Solution

The fourth proportional to 1,206.34, 1,665.93 and 1,030.66 is: 1,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206.34 : 1,665.93 = 1,030.66 : x
  2. Step 2: Convert to fraction form
    1,206.34/1,665.93 = 1,030.66/x
  3. Step 3: Cross multiply
    1,206.34x = 1,665.93 × 1,030.66
  4. Step 4: Simplify right side
    1,206.34x = 1,717,007.41
  5. Step 5: Solve for x
    x = 1,717,007.41/1,206.34
  6. Step 6: Final answer
    x = 1,423.32

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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.