Home / 2,807.09-4,210.65-1,246.67

Finding the Fourth Proportional to 2,807.09, 4,210.65 and 1,246.67

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Solution

The fourth proportional to 2,807.09, 4,210.65 and 1,246.67 is: 1,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807.09 : 4,210.65 = 1,246.67 : x
  2. Step 2: Convert to fraction form
    2,807.09/4,210.65 = 1,246.67/x
  3. Step 3: Cross multiply
    2,807.09x = 4,210.65 × 1,246.67
  4. Step 4: Simplify right side
    2,807.09x = 5,249,291.04
  5. Step 5: Solve for x
    x = 5,249,291.04/2,807.09
  6. Step 6: Final answer
    x = 1,870.01

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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.