Home / 1,670.98-2,303.29-1,316.34

Finding the Fourth Proportional to 1,670.98, 2,303.29 and 1,316.34

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Solution

The fourth proportional to 1,670.98, 2,303.29 and 1,316.34 is: 1,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.98 : 2,303.29 = 1,316.34 : x
  2. Step 2: Convert to fraction form
    1,670.98/2,303.29 = 1,316.34/x
  3. Step 3: Cross multiply
    1,670.98x = 2,303.29 × 1,316.34
  4. Step 4: Simplify right side
    1,670.98x = 3,031,912.76
  5. Step 5: Solve for x
    x = 3,031,912.76/1,670.98
  6. Step 6: Final answer
    x = 1,814.45

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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.