Home / 2,870.65-4,271.03-2,860.93

Finding the Fourth Proportional to 2,870.65, 4,271.03 and 2,860.93

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Solution

The fourth proportional to 2,870.65, 4,271.03 and 2,860.93 is: 4,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.65 : 4,271.03 = 2,860.93 : x
  2. Step 2: Convert to fraction form
    2,870.65/4,271.03 = 2,860.93/x
  3. Step 3: Cross multiply
    2,870.65x = 4,271.03 × 2,860.93
  4. Step 4: Simplify right side
    2,870.65x = 12,219,119.62
  5. Step 5: Solve for x
    x = 12,219,119.62/2,870.65
  6. Step 6: Final answer
    x = 4,256.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.