Home / 2,993.02-4,130.48-1,666.87

Finding the Fourth Proportional to 2,993.02, 4,130.48 and 1,666.87

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Solution

The fourth proportional to 2,993.02, 4,130.48 and 1,666.87 is: 2,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.02 : 4,130.48 = 1,666.87 : x
  2. Step 2: Convert to fraction form
    2,993.02/4,130.48 = 1,666.87/x
  3. Step 3: Cross multiply
    2,993.02x = 4,130.48 × 1,666.87
  4. Step 4: Simplify right side
    2,993.02x = 6,884,973.20
  5. Step 5: Solve for x
    x = 6,884,973.20/2,993.02
  6. Step 6: Final answer
    x = 2,300.34

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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.