Home / 3,140.04-4,710.40-1,060.20

Finding the Fourth Proportional to 3,140.04, 4,710.40 and 1,060.20

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Solution

The fourth proportional to 3,140.04, 4,710.40 and 1,060.20 is: 1,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.04 : 4,710.40 = 1,060.20 : x
  2. Step 2: Convert to fraction form
    3,140.04/4,710.40 = 1,060.20/x
  3. Step 3: Cross multiply
    3,140.04x = 4,710.40 × 1,060.20
  4. Step 4: Simplify right side
    3,140.04x = 4,993,966.08
  5. Step 5: Solve for x
    x = 4,993,966.08/3,140.04
  6. Step 6: Final answer
    x = 1,590.41

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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.