Home / 2,925.04-4,385.40-1,075.18

Finding the Fourth Proportional to 2,925.04, 4,385.40 and 1,075.18

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Solution

The fourth proportional to 2,925.04, 4,385.40 and 1,075.18 is: 1,611.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.04 : 4,385.40 = 1,075.18 : x
  2. Step 2: Convert to fraction form
    2,925.04/4,385.40 = 1,075.18/x
  3. Step 3: Cross multiply
    2,925.04x = 4,385.40 × 1,075.18
  4. Step 4: Simplify right side
    2,925.04x = 4,715,094.37
  5. Step 5: Solve for x
    x = 4,715,094.37/2,925.04
  6. Step 6: Final answer
    x = 1,611.98

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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.