Home / 3,075.18-4,612.02-1,430.88

Finding the Fourth Proportional to 3,075.18, 4,612.02 and 1,430.88

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Solution

The fourth proportional to 3,075.18, 4,612.02 and 1,430.88 is: 2,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.18 : 4,612.02 = 1,430.88 : x
  2. Step 2: Convert to fraction form
    3,075.18/4,612.02 = 1,430.88/x
  3. Step 3: Cross multiply
    3,075.18x = 4,612.02 × 1,430.88
  4. Step 4: Simplify right side
    3,075.18x = 6,599,247.18
  5. Step 5: Solve for x
    x = 6,599,247.18/3,075.18
  6. Step 6: Final answer
    x = 2,145.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.